Home / 1,344,082.80-2,016,707.40-679,234.80

Finding the Fourth Proportional to 1,344,082.80, 2,016,707.40 and 679,234.80

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Solution

The fourth proportional to 1,344,082.80, 2,016,707.40 and 679,234.80 is: 1,019,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,082.80 : 2,016,707.40 = 679,234.80 : x
  2. Step 2: Convert to fraction form
    1,344,082.80/2,016,707.40 = 679,234.80/x
  3. Step 3: Cross multiply
    1,344,082.80x = 2,016,707.40 × 679,234.80
  4. Step 4: Simplify right side
    1,344,082.80x = 1,369,817,847,497.52
  5. Step 5: Solve for x
    x = 1,369,817,847,497.52/1,344,082.80
  6. Step 6: Final answer
    x = 1,019,146.92

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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.