Home / 851,708.56-1,275,381.12-826,481.92

Finding the Fourth Proportional to 851,708.56, 1,275,381.12 and 826,481.92

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Solution

The fourth proportional to 851,708.56, 1,275,381.12 and 826,481.92 is: 1,237,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,708.56 : 1,275,381.12 = 826,481.92 : x
  2. Step 2: Convert to fraction form
    851,708.56/1,275,381.12 = 826,481.92/x
  3. Step 3: Cross multiply
    851,708.56x = 1,275,381.12 × 826,481.92
  4. Step 4: Simplify right side
    851,708.56x = 1,054,079,436,789.35
  5. Step 5: Solve for x
    x = 1,054,079,436,789.35/851,708.56
  6. Step 6: Final answer
    x = 1,237,605.78

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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.