Home / 1,447,510.91-2,170,635.54-487,787.64

Finding the Fourth Proportional to 1,447,510.91, 2,170,635.54 and 487,787.64

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Solution

The fourth proportional to 1,447,510.91, 2,170,635.54 and 487,787.64 is: 731,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,510.91 : 2,170,635.54 = 487,787.64 : x
  2. Step 2: Convert to fraction form
    1,447,510.91/2,170,635.54 = 487,787.64/x
  3. Step 3: Cross multiply
    1,447,510.91x = 2,170,635.54 × 487,787.64
  4. Step 4: Simplify right side
    1,447,510.91x = 1,058,809,187,356.73
  5. Step 5: Solve for x
    x = 1,058,809,187,356.73/1,447,510.91
  6. Step 6: Final answer
    x = 731,468.88

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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.