Home / 1,344,153.80-2,016,230.70-865,856.90

Finding the Fourth Proportional to 1,344,153.80, 2,016,230.70 and 865,856.90

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Solution

The fourth proportional to 1,344,153.80, 2,016,230.70 and 865,856.90 is: 1,298,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,153.80 : 2,016,230.70 = 865,856.90 : x
  2. Step 2: Convert to fraction form
    1,344,153.80/2,016,230.70 = 865,856.90/x
  3. Step 3: Cross multiply
    1,344,153.80x = 2,016,230.70 × 865,856.90
  4. Step 4: Simplify right side
    1,344,153.80x = 1,745,767,263,586.83
  5. Step 5: Solve for x
    x = 1,745,767,263,586.83/1,344,153.80
  6. Step 6: Final answer
    x = 1,298,785.35

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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.