Home / 1,277,257.13-1,762,550.19-725,958.39

Finding the Fourth Proportional to 1,277,257.13, 1,762,550.19 and 725,958.39

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Solution

The fourth proportional to 1,277,257.13, 1,762,550.19 and 725,958.39 is: 1,001,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,257.13 : 1,762,550.19 = 725,958.39 : x
  2. Step 2: Convert to fraction form
    1,277,257.13/1,762,550.19 = 725,958.39/x
  3. Step 3: Cross multiply
    1,277,257.13x = 1,762,550.19 × 725,958.39
  4. Step 4: Simplify right side
    1,277,257.13x = 1,279,538,098,226.59
  5. Step 5: Solve for x
    x = 1,279,538,098,226.59/1,277,257.13
  6. Step 6: Final answer
    x = 1,001,785.83

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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.