Home / 1,005,565.70-1,387,707.50-546,711.12

Finding the Fourth Proportional to 1,005,565.70, 1,387,707.50 and 546,711.12

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Solution

The fourth proportional to 1,005,565.70, 1,387,707.50 and 546,711.12 is: 754,475.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,565.70 : 1,387,707.50 = 546,711.12 : x
  2. Step 2: Convert to fraction form
    1,005,565.70/1,387,707.50 = 546,711.12/x
  3. Step 3: Cross multiply
    1,005,565.70x = 1,387,707.50 × 546,711.12
  4. Step 4: Simplify right side
    1,005,565.70x = 758,675,122,924.18
  5. Step 5: Solve for x
    x = 758,675,122,924.18/1,005,565.70
  6. Step 6: Final answer
    x = 754,475.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.