Home / 1,198,663.70-1,799,016.15-489,200.90

Finding the Fourth Proportional to 1,198,663.70, 1,799,016.15 and 489,200.90

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Solution

The fourth proportional to 1,198,663.70, 1,799,016.15 and 489,200.90 is: 734,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,663.70 : 1,799,016.15 = 489,200.90 : x
  2. Step 2: Convert to fraction form
    1,198,663.70/1,799,016.15 = 489,200.90/x
  3. Step 3: Cross multiply
    1,198,663.70x = 1,799,016.15 × 489,200.90
  4. Step 4: Simplify right side
    1,198,663.70x = 880,080,319,694.54
  5. Step 5: Solve for x
    x = 880,080,319,694.54/1,198,663.70
  6. Step 6: Final answer
    x = 734,217.88

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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.