Home / 1,432,481.94-1,976,826.11-787,951.17

Finding the Fourth Proportional to 1,432,481.94, 1,976,826.11 and 787,951.17

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Solution

The fourth proportional to 1,432,481.94, 1,976,826.11 and 787,951.17 is: 1,087,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,481.94 : 1,976,826.11 = 787,951.17 : x
  2. Step 2: Convert to fraction form
    1,432,481.94/1,976,826.11 = 787,951.17/x
  3. Step 3: Cross multiply
    1,432,481.94x = 1,976,826.11 × 787,951.17
  4. Step 4: Simplify right side
    1,432,481.94x = 1,557,642,442,321.29
  5. Step 5: Solve for x
    x = 1,557,642,442,321.29/1,432,481.94
  6. Step 6: Final answer
    x = 1,087,373.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.