Home / 1,304,917.07-1,800,781.87-724,227.87

Finding the Fourth Proportional to 1,304,917.07, 1,800,781.87 and 724,227.87

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Solution

The fourth proportional to 1,304,917.07, 1,800,781.87 and 724,227.87 is: 999,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,917.07 : 1,800,781.87 = 724,227.87 : x
  2. Step 2: Convert to fraction form
    1,304,917.07/1,800,781.87 = 724,227.87/x
  3. Step 3: Cross multiply
    1,304,917.07x = 1,800,781.87 × 724,227.87
  4. Step 4: Simplify right side
    1,304,917.07x = 1,304,176,414,423.58
  5. Step 5: Solve for x
    x = 1,304,176,414,423.58/1,304,917.07
  6. Step 6: Final answer
    x = 999,432.42

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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.