Home / 1,344,081.80-2,016,705.90-679,233.80

Finding the Fourth Proportional to 1,344,081.80, 2,016,705.90 and 679,233.80

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Solution

The fourth proportional to 1,344,081.80, 2,016,705.90 and 679,233.80 is: 1,019,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,081.80 : 2,016,705.90 = 679,233.80 : x
  2. Step 2: Convert to fraction form
    1,344,081.80/2,016,705.90 = 679,233.80/x
  3. Step 3: Cross multiply
    1,344,081.80x = 2,016,705.90 × 679,233.80
  4. Step 4: Simplify right side
    1,344,081.80x = 1,369,814,811,939.42
  5. Step 5: Solve for x
    x = 1,369,814,811,939.42/1,344,081.80
  6. Step 6: Final answer
    x = 1,019,145.42

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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.