Home / 3,145,079.60-4,717,093.88-870,833.90

Finding the Fourth Proportional to 3,145,079.60, 4,717,093.88 and 870,833.90

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Solution

The fourth proportional to 3,145,079.60, 4,717,093.88 and 870,833.90 is: 1,306,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,079.60 : 4,717,093.88 = 870,833.90 : x
  2. Step 2: Convert to fraction form
    3,145,079.60/4,717,093.88 = 870,833.90/x
  3. Step 3: Cross multiply
    3,145,079.60x = 4,717,093.88 × 870,833.90
  4. Step 4: Simplify right side
    3,145,079.60x = 4,107,805,238,778.15
  5. Step 5: Solve for x
    x = 4,107,805,238,778.15/3,145,079.60
  6. Step 6: Final answer
    x = 1,306,105.33

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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.