Home / 1,098,402.93-1,644,630.89-777,234.69

Finding the Fourth Proportional to 1,098,402.93, 1,644,630.89 and 777,234.69

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Solution

The fourth proportional to 1,098,402.93, 1,644,630.89 and 777,234.69 is: 1,163,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,402.93 : 1,644,630.89 = 777,234.69 : x
  2. Step 2: Convert to fraction form
    1,098,402.93/1,644,630.89 = 777,234.69/x
  3. Step 3: Cross multiply
    1,098,402.93x = 1,644,630.89 × 777,234.69
  4. Step 4: Simplify right side
    1,098,402.93x = 1,278,264,176,067.40
  5. Step 5: Solve for x
    x = 1,278,264,176,067.40/1,098,402.93
  6. Step 6: Final answer
    x = 1,163,747.97

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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.