Home / 1,434,691.17-2,149,126.83-665,106.53

Finding the Fourth Proportional to 1,434,691.17, 2,149,126.83 and 665,106.53

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Solution

The fourth proportional to 1,434,691.17, 2,149,126.83 and 665,106.53 is: 996,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,691.17 : 2,149,126.83 = 665,106.53 : x
  2. Step 2: Convert to fraction form
    1,434,691.17/2,149,126.83 = 665,106.53/x
  3. Step 3: Cross multiply
    1,434,691.17x = 2,149,126.83 × 665,106.53
  4. Step 4: Simplify right side
    1,434,691.17x = 1,429,398,277,685.57
  5. Step 5: Solve for x
    x = 1,429,398,277,685.57/1,434,691.17
  6. Step 6: Final answer
    x = 996,310.78

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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.