Home / 960,045.60-1,440,068.40-711,213.60

Finding the Fourth Proportional to 960,045.60, 1,440,068.40 and 711,213.60

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Solution

The fourth proportional to 960,045.60, 1,440,068.40 and 711,213.60 is: 1,066,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,045.60 : 1,440,068.40 = 711,213.60 : x
  2. Step 2: Convert to fraction form
    960,045.60/1,440,068.40 = 711,213.60/x
  3. Step 3: Cross multiply
    960,045.60x = 1,440,068.40 × 711,213.60
  4. Step 4: Simplify right side
    960,045.60x = 1,024,196,231,010.24
  5. Step 5: Solve for x
    x = 1,024,196,231,010.24/960,045.60
  6. Step 6: Final answer
    x = 1,066,820.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.