Home / 1,002,859.20-1,502,247.60-622,612.80

Finding the Fourth Proportional to 1,002,859.20, 1,502,247.60 and 622,612.80

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Solution

The fourth proportional to 1,002,859.20, 1,502,247.60 and 622,612.80 is: 932,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,859.20 : 1,502,247.60 = 622,612.80 : x
  2. Step 2: Convert to fraction form
    1,002,859.20/1,502,247.60 = 622,612.80/x
  3. Step 3: Cross multiply
    1,002,859.20x = 1,502,247.60 × 622,612.80
  4. Step 4: Simplify right side
    1,002,859.20x = 935,318,584,529.28
  5. Step 5: Solve for x
    x = 935,318,584,529.28/1,002,859.20
  6. Step 6: Final answer
    x = 932,651.95

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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.