Home / 1,338,251.74-1,846,788.84-726,404.40

Finding the Fourth Proportional to 1,338,251.74, 1,846,788.84 and 726,404.40

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Solution

The fourth proportional to 1,338,251.74, 1,846,788.84 and 726,404.40 is: 1,002,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,251.74 : 1,846,788.84 = 726,404.40 : x
  2. Step 2: Convert to fraction form
    1,338,251.74/1,846,788.84 = 726,404.40/x
  3. Step 3: Cross multiply
    1,338,251.74x = 1,846,788.84 × 726,404.40
  4. Step 4: Simplify right side
    1,338,251.74x = 1,341,515,539,246.90
  5. Step 5: Solve for x
    x = 1,341,515,539,246.90/1,338,251.74
  6. Step 6: Final answer
    x = 1,002,438.85

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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.