Home / 1,359,616.64-2,039,307.04-639,787.52

Finding the Fourth Proportional to 1,359,616.64, 2,039,307.04 and 639,787.52

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Solution

The fourth proportional to 1,359,616.64, 2,039,307.04 and 639,787.52 is: 959,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,616.64 : 2,039,307.04 = 639,787.52 : x
  2. Step 2: Convert to fraction form
    1,359,616.64/2,039,307.04 = 639,787.52/x
  3. Step 3: Cross multiply
    1,359,616.64x = 2,039,307.04 × 639,787.52
  4. Step 4: Simplify right side
    1,359,616.64x = 1,304,723,193,640.14
  5. Step 5: Solve for x
    x = 1,304,723,193,640.14/1,359,616.64
  6. Step 6: Final answer
    x = 959,625.79

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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.