Home / 1,432,474.72-1,976,816.13-787,943.95

Finding the Fourth Proportional to 1,432,474.72, 1,976,816.13 and 787,943.95

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Solution

The fourth proportional to 1,432,474.72, 1,976,816.13 and 787,943.95 is: 1,087,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,474.72 : 1,976,816.13 = 787,943.95 : x
  2. Step 2: Convert to fraction form
    1,432,474.72/1,976,816.13 = 787,943.95/x
  3. Step 3: Cross multiply
    1,432,474.72x = 1,976,816.13 × 787,943.95
  4. Step 4: Simplify right side
    1,432,474.72x = 1,557,620,309,895.91
  5. Step 5: Solve for x
    x = 1,557,620,309,895.91/1,432,474.72
  6. Step 6: Final answer
    x = 1,087,363.21

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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.