Home / 1,152,177.48-1,589,561.46-721,708.20

Finding the Fourth Proportional to 1,152,177.48, 1,589,561.46 and 721,708.20

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Solution

The fourth proportional to 1,152,177.48, 1,589,561.46 and 721,708.20 is: 995,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,177.48 : 1,589,561.46 = 721,708.20 : x
  2. Step 2: Convert to fraction form
    1,152,177.48/1,589,561.46 = 721,708.20/x
  3. Step 3: Cross multiply
    1,152,177.48x = 1,589,561.46 × 721,708.20
  4. Step 4: Simplify right side
    1,152,177.48x = 1,147,199,540,085.97
  5. Step 5: Solve for x
    x = 1,147,199,540,085.97/1,152,177.48
  6. Step 6: Final answer
    x = 995,679.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.