Home / 1,338,245.92-1,846,780.80-726,398.59

Finding the Fourth Proportional to 1,338,245.92, 1,846,780.80 and 726,398.59

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Solution

The fourth proportional to 1,338,245.92, 1,846,780.80 and 726,398.59 is: 1,002,430.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,245.92 : 1,846,780.80 = 726,398.59 : x
  2. Step 2: Convert to fraction form
    1,338,245.92/1,846,780.80 = 726,398.59/x
  3. Step 3: Cross multiply
    1,338,245.92x = 1,846,780.80 × 726,398.59
  4. Step 4: Simplify right side
    1,338,245.92x = 1,341,498,961,741.16
  5. Step 5: Solve for x
    x = 1,341,498,961,741.16/1,338,245.92
  6. Step 6: Final answer
    x = 1,002,430.82

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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.