Home / 1,331,123.40-1,996,976.70-532,204.20

Finding the Fourth Proportional to 1,331,123.40, 1,996,976.70 and 532,204.20

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Solution

The fourth proportional to 1,331,123.40, 1,996,976.70 and 532,204.20 is: 798,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,123.40 : 1,996,976.70 = 532,204.20 : x
  2. Step 2: Convert to fraction form
    1,331,123.40/1,996,976.70 = 532,204.20/x
  3. Step 3: Cross multiply
    1,331,123.40x = 1,996,976.70 × 532,204.20
  4. Step 4: Simplify right side
    1,331,123.40x = 1,062,799,387,042.14
  5. Step 5: Solve for x
    x = 1,062,799,387,042.14/1,331,123.40
  6. Step 6: Final answer
    x = 798,422.89

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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.