Home / 1,398,671.80-2,098,007.70-1,132,951.30

Finding the Fourth Proportional to 1,398,671.80, 2,098,007.70 and 1,132,951.30

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Solution

The fourth proportional to 1,398,671.80, 2,098,007.70 and 1,132,951.30 is: 1,699,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,671.80 : 2,098,007.70 = 1,132,951.30 : x
  2. Step 2: Convert to fraction form
    1,398,671.80/2,098,007.70 = 1,132,951.30/x
  3. Step 3: Cross multiply
    1,398,671.80x = 2,098,007.70 × 1,132,951.30
  4. Step 4: Simplify right side
    1,398,671.80x = 2,376,940,551,125.01
  5. Step 5: Solve for x
    x = 2,376,940,551,125.01/1,398,671.80
  6. Step 6: Final answer
    x = 1,699,426.95

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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.