Home / 992,781.80-1,489,172.70-827,444.60

Finding the Fourth Proportional to 992,781.80, 1,489,172.70 and 827,444.60

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Solution

The fourth proportional to 992,781.80, 1,489,172.70 and 827,444.60 is: 1,241,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,781.80 : 1,489,172.70 = 827,444.60 : x
  2. Step 2: Convert to fraction form
    992,781.80/1,489,172.70 = 827,444.60/x
  3. Step 3: Cross multiply
    992,781.80x = 1,489,172.70 × 827,444.60
  4. Step 4: Simplify right side
    992,781.80x = 1,232,207,909,082.42
  5. Step 5: Solve for x
    x = 1,232,207,909,082.42/992,781.80
  6. Step 6: Final answer
    x = 1,241,166.90

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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.