Home / 1,334,691.04-2,002,377.82-388,061.76

Finding the Fourth Proportional to 1,334,691.04, 2,002,377.82 and 388,061.76

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Solution

The fourth proportional to 1,334,691.04, 2,002,377.82 and 388,061.76 is: 582,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,691.04 : 2,002,377.82 = 388,061.76 : x
  2. Step 2: Convert to fraction form
    1,334,691.04/2,002,377.82 = 388,061.76/x
  3. Step 3: Cross multiply
    1,334,691.04x = 2,002,377.82 × 388,061.76
  4. Step 4: Simplify right side
    1,334,691.04x = 777,046,251,647.41
  5. Step 5: Solve for x
    x = 777,046,251,647.41/1,334,691.04
  6. Step 6: Final answer
    x = 582,191.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.