Home / 1,418,470.80-2,127,997.80-472,520.40

Finding the Fourth Proportional to 1,418,470.80, 2,127,997.80 and 472,520.40

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Solution

The fourth proportional to 1,418,470.80, 2,127,997.80 and 472,520.40 is: 708,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,470.80 : 2,127,997.80 = 472,520.40 : x
  2. Step 2: Convert to fraction form
    1,418,470.80/2,127,997.80 = 472,520.40/x
  3. Step 3: Cross multiply
    1,418,470.80x = 2,127,997.80 × 472,520.40
  4. Step 4: Simplify right side
    1,418,470.80x = 1,005,522,371,655.12
  5. Step 5: Solve for x
    x = 1,005,522,371,655.12/1,418,470.80
  6. Step 6: Final answer
    x = 708,877.74

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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.