Home / 1,234,224.20-1,703,387.14-690,390.20

Finding the Fourth Proportional to 1,234,224.20, 1,703,387.14 and 690,390.20

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Solution

The fourth proportional to 1,234,224.20, 1,703,387.14 and 690,390.20 is: 952,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,224.20 : 1,703,387.14 = 690,390.20 : x
  2. Step 2: Convert to fraction form
    1,234,224.20/1,703,387.14 = 690,390.20/x
  3. Step 3: Cross multiply
    1,234,224.20x = 1,703,387.14 × 690,390.20
  4. Step 4: Simplify right side
    1,234,224.20x = 1,176,001,788,262.03
  5. Step 5: Solve for x
    x = 1,176,001,788,262.03/1,234,224.20
  6. Step 6: Final answer
    x = 952,826.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.