Home / 1,198,879.47-1,797,150.38-479,006.55

Finding the Fourth Proportional to 1,198,879.47, 1,797,150.38 and 479,006.55

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Solution

The fourth proportional to 1,198,879.47, 1,797,150.38 and 479,006.55 is: 718,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,879.47 : 1,797,150.38 = 479,006.55 : x
  2. Step 2: Convert to fraction form
    1,198,879.47/1,797,150.38 = 479,006.55/x
  3. Step 3: Cross multiply
    1,198,879.47x = 1,797,150.38 × 479,006.55
  4. Step 4: Simplify right side
    1,198,879.47x = 860,846,800,959.96
  5. Step 5: Solve for x
    x = 860,846,800,959.96/1,198,879.47
  6. Step 6: Final answer
    x = 718,042.82

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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.