Home / 1,002,787.20-1,504,019.52-292,648.80

Finding the Fourth Proportional to 1,002,787.20, 1,504,019.52 and 292,648.80

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Solution

The fourth proportional to 1,002,787.20, 1,504,019.52 and 292,648.80 is: 438,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,787.20 : 1,504,019.52 = 292,648.80 : x
  2. Step 2: Convert to fraction form
    1,002,787.20/1,504,019.52 = 292,648.80/x
  3. Step 3: Cross multiply
    1,002,787.20x = 1,504,019.52 × 292,648.80
  4. Step 4: Simplify right side
    1,002,787.20x = 440,149,507,704.58
  5. Step 5: Solve for x
    x = 440,149,507,704.58/1,002,787.20
  6. Step 6: Final answer
    x = 438,926.13

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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.