Home / 1,344,252.30-2,016,378.45-672,405.90

Finding the Fourth Proportional to 1,344,252.30, 2,016,378.45 and 672,405.90

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Solution

The fourth proportional to 1,344,252.30, 2,016,378.45 and 672,405.90 is: 1,008,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,252.30 : 2,016,378.45 = 672,405.90 : x
  2. Step 2: Convert to fraction form
    1,344,252.30/2,016,378.45 = 672,405.90/x
  3. Step 3: Cross multiply
    1,344,252.30x = 2,016,378.45 × 672,405.90
  4. Step 4: Simplify right side
    1,344,252.30x = 1,355,824,766,412.86
  5. Step 5: Solve for x
    x = 1,355,824,766,412.86/1,344,252.30
  6. Step 6: Final answer
    x = 1,008,608.85

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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.