Home / 1,471,787.20-2,206,514.40-806,939.20

Finding the Fourth Proportional to 1,471,787.20, 2,206,514.40 and 806,939.20

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Solution

The fourth proportional to 1,471,787.20, 2,206,514.40 and 806,939.20 is: 1,209,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,787.20 : 2,206,514.40 = 806,939.20 : x
  2. Step 2: Convert to fraction form
    1,471,787.20/2,206,514.40 = 806,939.20/x
  3. Step 3: Cross multiply
    1,471,787.20x = 2,206,514.40 × 806,939.20
  4. Step 4: Simplify right side
    1,471,787.20x = 1,780,522,964,724.48
  5. Step 5: Solve for x
    x = 1,780,522,964,724.48/1,471,787.20
  6. Step 6: Final answer
    x = 1,209,769.30

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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.