Home / 1,002,855.20-1,502,241.60-622,608.80

Finding the Fourth Proportional to 1,002,855.20, 1,502,241.60 and 622,608.80

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Solution

The fourth proportional to 1,002,855.20, 1,502,241.60 and 622,608.80 is: 932,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,855.20 : 1,502,241.60 = 622,608.80 : x
  2. Step 2: Convert to fraction form
    1,002,855.20/1,502,241.60 = 622,608.80/x
  3. Step 3: Cross multiply
    1,002,855.20x = 1,502,241.60 × 622,608.80
  4. Step 4: Simplify right side
    1,002,855.20x = 935,308,839,886.08
  5. Step 5: Solve for x
    x = 935,308,839,886.08/1,002,855.20
  6. Step 6: Final answer
    x = 932,645.95

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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.