Home / 1,344,233.80-2,016,933.90-679,385.80

Finding the Fourth Proportional to 1,344,233.80, 2,016,933.90 and 679,385.80

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Solution

The fourth proportional to 1,344,233.80, 2,016,933.90 and 679,385.80 is: 1,019,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,233.80 : 2,016,933.90 = 679,385.80 : x
  2. Step 2: Convert to fraction form
    1,344,233.80/2,016,933.90 = 679,385.80/x
  3. Step 3: Cross multiply
    1,344,233.80x = 2,016,933.90 × 679,385.80
  4. Step 4: Simplify right side
    1,344,233.80x = 1,370,276,251,198.62
  5. Step 5: Solve for x
    x = 1,370,276,251,198.62/1,344,233.80
  6. Step 6: Final answer
    x = 1,019,373.45

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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.