Home / 1,344,178.80-2,016,268.20-865,881.90

Finding the Fourth Proportional to 1,344,178.80, 2,016,268.20 and 865,881.90

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Solution

The fourth proportional to 1,344,178.80, 2,016,268.20 and 865,881.90 is: 1,298,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,178.80 : 2,016,268.20 = 865,881.90 : x
  2. Step 2: Convert to fraction form
    1,344,178.80/2,016,268.20 = 865,881.90/x
  3. Step 3: Cross multiply
    1,344,178.80x = 2,016,268.20 × 865,881.90
  4. Step 4: Simplify right side
    1,344,178.80x = 1,745,850,139,925.58
  5. Step 5: Solve for x
    x = 1,745,850,139,925.58/1,344,178.80
  6. Step 6: Final answer
    x = 1,298,822.85

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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.