Home / 1,517,809.10-2,279,338.05-809,221.10

Finding the Fourth Proportional to 1,517,809.10, 2,279,338.05 and 809,221.10

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Solution

The fourth proportional to 1,517,809.10, 2,279,338.05 and 809,221.10 is: 1,215,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,809.10 : 2,279,338.05 = 809,221.10 : x
  2. Step 2: Convert to fraction form
    1,517,809.10/2,279,338.05 = 809,221.10/x
  3. Step 3: Cross multiply
    1,517,809.10x = 2,279,338.05 × 809,221.10
  4. Step 4: Simplify right side
    1,517,809.10x = 1,844,488,444,092.85
  5. Step 5: Solve for x
    x = 1,844,488,444,092.85/1,517,809.10
  6. Step 6: Final answer
    x = 1,215,230.85

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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.