Home / 992,239.60-1,488,359.40-985,241.20

Finding the Fourth Proportional to 992,239.60, 1,488,359.40 and 985,241.20

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Solution

The fourth proportional to 992,239.60, 1,488,359.40 and 985,241.20 is: 1,477,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,239.60 : 1,488,359.40 = 985,241.20 : x
  2. Step 2: Convert to fraction form
    992,239.60/1,488,359.40 = 985,241.20/x
  3. Step 3: Cross multiply
    992,239.60x = 1,488,359.40 × 985,241.20
  4. Step 4: Simplify right side
    992,239.60x = 1,466,393,001,287.28
  5. Step 5: Solve for x
    x = 1,466,393,001,287.28/992,239.60
  6. Step 6: Final answer
    x = 1,477,861.80

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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.