Home / 1,170,088.60-1,755,132.90-981,131.80

Finding the Fourth Proportional to 1,170,088.60, 1,755,132.90 and 981,131.80

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Solution

The fourth proportional to 1,170,088.60, 1,755,132.90 and 981,131.80 is: 1,471,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,088.60 : 1,755,132.90 = 981,131.80 : x
  2. Step 2: Convert to fraction form
    1,170,088.60/1,755,132.90 = 981,131.80/x
  3. Step 3: Cross multiply
    1,170,088.60x = 1,755,132.90 × 981,131.80
  4. Step 4: Simplify right side
    1,170,088.60x = 1,722,016,701,416.22
  5. Step 5: Solve for x
    x = 1,722,016,701,416.22/1,170,088.60
  6. Step 6: Final answer
    x = 1,471,697.70

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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.