Home / 1,344,175.80-2,016,263.70-865,878.90

Finding the Fourth Proportional to 1,344,175.80, 2,016,263.70 and 865,878.90

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Solution

The fourth proportional to 1,344,175.80, 2,016,263.70 and 865,878.90 is: 1,298,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,175.80 : 2,016,263.70 = 865,878.90 : x
  2. Step 2: Convert to fraction form
    1,344,175.80/2,016,263.70 = 865,878.90/x
  3. Step 3: Cross multiply
    1,344,175.80x = 2,016,263.70 × 865,878.90
  4. Step 4: Simplify right side
    1,344,175.80x = 1,745,840,194,665.93
  5. Step 5: Solve for x
    x = 1,745,840,194,665.93/1,344,175.80
  6. Step 6: Final answer
    x = 1,298,818.35

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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.