Home / 1,306,781.55-1,803,448.13-726,074.73

Finding the Fourth Proportional to 1,306,781.55, 1,803,448.13 and 726,074.73

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Solution

The fourth proportional to 1,306,781.55, 1,803,448.13 and 726,074.73 is: 1,002,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,781.55 : 1,803,448.13 = 726,074.73 : x
  2. Step 2: Convert to fraction form
    1,306,781.55/1,803,448.13 = 726,074.73/x
  3. Step 3: Cross multiply
    1,306,781.55x = 1,803,448.13 × 726,074.73
  4. Step 4: Simplify right side
    1,306,781.55x = 1,309,438,110,428.38
  5. Step 5: Solve for x
    x = 1,309,438,110,428.38/1,306,781.55
  6. Step 6: Final answer
    x = 1,002,032.90

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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.