Home / 1,572,642.16-2,358,965.06-478,435.92

Finding the Fourth Proportional to 1,572,642.16, 2,358,965.06 and 478,435.92

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Solution

The fourth proportional to 1,572,642.16, 2,358,965.06 and 478,435.92 is: 717,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,642.16 : 2,358,965.06 = 478,435.92 : x
  2. Step 2: Convert to fraction form
    1,572,642.16/2,358,965.06 = 478,435.92/x
  3. Step 3: Cross multiply
    1,572,642.16x = 2,358,965.06 × 478,435.92
  4. Step 4: Simplify right side
    1,572,642.16x = 1,128,613,618,728.96
  5. Step 5: Solve for x
    x = 1,128,613,618,728.96/1,572,642.16
  6. Step 6: Final answer
    x = 717,654.43

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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.