Home / 1,165,129.20-1,744,194.60-691,570.80

Finding the Fourth Proportional to 1,165,129.20, 1,744,194.60 and 691,570.80

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Solution

The fourth proportional to 1,165,129.20, 1,744,194.60 and 691,570.80 is: 1,035,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,129.20 : 1,744,194.60 = 691,570.80 : x
  2. Step 2: Convert to fraction form
    1,165,129.20/1,744,194.60 = 691,570.80/x
  3. Step 3: Cross multiply
    1,165,129.20x = 1,744,194.60 × 691,570.80
  4. Step 4: Simplify right side
    1,165,129.20x = 1,206,234,054,877.68
  5. Step 5: Solve for x
    x = 1,206,234,054,877.68/1,165,129.20
  6. Step 6: Final answer
    x = 1,035,279.22

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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.