Home / 1,517,908.60-2,279,487.30-809,320.60

Finding the Fourth Proportional to 1,517,908.60, 2,279,487.30 and 809,320.60

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Solution

The fourth proportional to 1,517,908.60, 2,279,487.30 and 809,320.60 is: 1,215,380.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,908.60 : 2,279,487.30 = 809,320.60 : x
  2. Step 2: Convert to fraction form
    1,517,908.60/2,279,487.30 = 809,320.60/x
  3. Step 3: Cross multiply
    1,517,908.60x = 2,279,487.30 × 809,320.60
  4. Step 4: Simplify right side
    1,517,908.60x = 1,844,836,029,328.38
  5. Step 5: Solve for x
    x = 1,844,836,029,328.38/1,517,908.60
  6. Step 6: Final answer
    x = 1,215,380.18

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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.