Home / 1,489,194.52-2,234,013.21-690,556.79

Finding the Fourth Proportional to 1,489,194.52, 2,234,013.21 and 690,556.79

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Solution

The fourth proportional to 1,489,194.52, 2,234,013.21 and 690,556.79 is: 1,035,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,194.52 : 2,234,013.21 = 690,556.79 : x
  2. Step 2: Convert to fraction form
    1,489,194.52/2,234,013.21 = 690,556.79/x
  3. Step 3: Cross multiply
    1,489,194.52x = 2,234,013.21 × 690,556.79
  4. Step 4: Simplify right side
    1,489,194.52x = 1,542,712,996,700.23
  5. Step 5: Solve for x
    x = 1,542,712,996,700.23/1,489,194.52
  6. Step 6: Final answer
    x = 1,035,937.87

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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.