Study Guides/Maths/Square Root of 1.04
Study Guide · Maths

Square Root of 1.04 — Value and Calculation

The square root of 1.04 is approximately 1.0198 (rounded to four decimal places). It can be calculated using the approximation method or by converting to a fraction. Since 1.02² = 1.0404, the square root of 1.04 is slightly less than 1.02.

Question (Click to Flip)

What is the square root of 1.04?

Answer

The square root of 1.04 is approximately 1.0198. Using the approximation method √(1+x) ≈ 1 + x/2, we get √1.04 = √(1+0.04) ≈ 1 + 0.02 = 1.02. The exact value is 1.019803902...

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Key Facts

√1.04 ≈ 1.0198 (exact: 1.019803902...).

Approximation method: √(1+0.04) ≈ 1 + 0.04/2 = 1.02.

Fraction method: √1.04 = √(26/25) = √26/5 ≈ 1.0198.

1.02² = 1.0404 (so √1.04 is slightly less than 1.02).

For most exam purposes, √1.04 ≈ 1.02 is sufficient.

1.04 = 104/100 = 26/25 (as a fraction).

Value of √1.04

√1.04 ≈ 1.0198 (to 4 decimal places)

Verification: 1.0198² = 1.0198 × 1.0198 ≈ 1.03999 ≈ 1.04 ✓

More precisely: √1.04 = 1.019803902...

Rounded values: • To 1 decimal: 1.0 • To 2 decimal: 1.02 • To 3 decimal: 1.020 • To 4 decimal: 1.0198

Method 1 — Approximation Formula

For small values of x: √(1 + x) ≈ 1 + x/2

Here: 1.04 = 1 + 0.04, so x = 0.04

√1.04 = √(1 + 0.04) ≈ 1 + 0.04/2 = 1 + 0.02 = 1.02

This is a good approximation for exam use: √1.04 ≈ 1.02

This method works well when x is small (x < 0.1).

Method 2 — Fraction Method

Convert 1.04 to a fraction: 1.04 = 104/100 = 26/25

√(26/25) = √26 / √25 = √26 / 5

√26 ≈ 5.099 (since 5² = 25, 5.1² = 26.01 ≈ 26)

So √1.04 = 5.099 / 5 = 1.0198

Alternatively: √1.04 = √(104/100) = √104 / 10 √104 = 2√26 ≈ 2 × 5.099 = 10.198 √1.04 = 10.198 / 10 = 1.0198

Method 3 — Long Division (for exact value)

Using the long division method for square roots:

1.04 = 1.0400

Step 1: √1 = 1, remainder = 0 Step 2: Bring down 04 → 04 Double of quotient = 2; 2_ × _ ≤ 4 → 20 × 0 = 0, try 1: 21 × 1 = 21 > 4. Use 0. So next digit = 0, remainder = 4 Step 3: Bring down 00 → 400 Double of quotient (10) = 20; 20_ × _ ≤ 400 → 201 × 1 = 201, 202 × 2 = 404 > 400. Use 1. Next digit = 1 Wait: 201 × 1 = 201, remainder = 400 − 201 = 199 Step 4: Continue → quotient ≈ 1.019...

Result: √1.04 ≈ 1.0198

Questions and Answers

What is the square root of 1.04?+

The square root of 1.04 is approximately 1.0198. Using the approximation method √(1+x) ≈ 1 + x/2, we get √1.04 = √(1+0.04) ≈ 1 + 0.02 = 1.02. The exact value is 1.019803902...

How to find the square root of 1.04?+

Method 1 (approximation): √1.04 = √(1+0.04) ≈ 1 + 0.04/2 = 1.02. Method 2 (fraction): 1.04 = 26/25, so √1.04 = √26/5 ≈ 5.099/5 = 1.0198.

Is √1.04 greater than 1?+

Yes. √1.04 > 1 because 1.04 > 1. The square root of any number greater than 1 is also greater than 1. √1.04 ≈ 1.0198.

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