Home / 1,334,691.43-2,002,378.40-388,062.15

Finding the Fourth Proportional to 1,334,691.43, 2,002,378.40 and 388,062.15

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Solution

The fourth proportional to 1,334,691.43, 2,002,378.40 and 388,062.15 is: 582,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,691.43 : 2,002,378.40 = 388,062.15 : x
  2. Step 2: Convert to fraction form
    1,334,691.43/2,002,378.40 = 388,062.15/x
  3. Step 3: Cross multiply
    1,334,691.43x = 2,002,378.40 × 388,062.15
  4. Step 4: Simplify right side
    1,334,691.43x = 777,047,261,206.41
  5. Step 5: Solve for x
    x = 777,047,261,206.41/1,334,691.43
  6. Step 6: Final answer
    x = 582,192.44

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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.