Home / 1,345,314.42-2,017,627.79-398,463.71

Finding the Fourth Proportional to 1,345,314.42, 2,017,627.79 and 398,463.71

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Solution

The fourth proportional to 1,345,314.42, 2,017,627.79 and 398,463.71 is: 597,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,314.42 : 2,017,627.79 = 398,463.71 : x
  2. Step 2: Convert to fraction form
    1,345,314.42/2,017,627.79 = 398,463.71/x
  3. Step 3: Cross multiply
    1,345,314.42x = 2,017,627.79 × 398,463.71
  4. Step 4: Simplify right side
    1,345,314.42x = 803,951,442,522.04
  5. Step 5: Solve for x
    x = 803,951,442,522.04/1,345,314.42
  6. Step 6: Final answer
    x = 597,593.72

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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.