Home / 1,192,269.42-1,644,498.99-809,631.90

Finding the Fourth Proportional to 1,192,269.42, 1,644,498.99 and 809,631.90

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Solution

The fourth proportional to 1,192,269.42, 1,644,498.99 and 809,631.90 is: 1,116,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,269.42 : 1,644,498.99 = 809,631.90 : x
  2. Step 2: Convert to fraction form
    1,192,269.42/1,644,498.99 = 809,631.90/x
  3. Step 3: Cross multiply
    1,192,269.42x = 1,644,498.99 × 809,631.90
  4. Step 4: Simplify right side
    1,192,269.42x = 1,331,438,841,821.78
  5. Step 5: Solve for x
    x = 1,331,438,841,821.78/1,192,269.42
  6. Step 6: Final answer
    x = 1,116,726.49

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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.