Home / 1,449,489.16-1,999,972.98-876,517.32

Finding the Fourth Proportional to 1,449,489.16, 1,999,972.98 and 876,517.32

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Solution

The fourth proportional to 1,449,489.16, 1,999,972.98 and 876,517.32 is: 1,209,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,489.16 : 1,999,972.98 = 876,517.32 : x
  2. Step 2: Convert to fraction form
    1,449,489.16/1,999,972.98 = 876,517.32/x
  3. Step 3: Cross multiply
    1,449,489.16x = 1,999,972.98 × 876,517.32
  4. Step 4: Simplify right side
    1,449,489.16x = 1,753,010,956,502.01
  5. Step 5: Solve for x
    x = 1,753,010,956,502.01/1,449,489.16
  6. Step 6: Final answer
    x = 1,209,399.15

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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.