Home / 725,942.20-1,086,839.70-651,292.60

Finding the Fourth Proportional to 725,942.20, 1,086,839.70 and 651,292.60

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Solution

The fourth proportional to 725,942.20, 1,086,839.70 and 651,292.60 is: 975,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,942.20 : 1,086,839.70 = 651,292.60 : x
  2. Step 2: Convert to fraction form
    725,942.20/1,086,839.70 = 651,292.60/x
  3. Step 3: Cross multiply
    725,942.20x = 1,086,839.70 × 651,292.60
  4. Step 4: Simplify right side
    725,942.20x = 707,850,653,996.22
  5. Step 5: Solve for x
    x = 707,850,653,996.22/725,942.20
  6. Step 6: Final answer
    x = 975,078.53

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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.