Home / 1,517,877.10-2,279,440.05-809,289.10

Finding the Fourth Proportional to 1,517,877.10, 2,279,440.05 and 809,289.10

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Solution

The fourth proportional to 1,517,877.10, 2,279,440.05 and 809,289.10 is: 1,215,332.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,877.10 : 2,279,440.05 = 809,289.10 : x
  2. Step 2: Convert to fraction form
    1,517,877.10/2,279,440.05 = 809,289.10/x
  3. Step 3: Cross multiply
    1,517,877.10x = 2,279,440.05 × 809,289.10
  4. Step 4: Simplify right side
    1,517,877.10x = 1,844,725,986,568.45
  5. Step 5: Solve for x
    x = 1,844,725,986,568.45/1,517,877.10
  6. Step 6: Final answer
    x = 1,215,332.91

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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.