Home / 753,419.20-1,132,753.20-637,945.60

Finding the Fourth Proportional to 753,419.20, 1,132,753.20 and 637,945.60

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Solution

The fourth proportional to 753,419.20, 1,132,753.20 and 637,945.60 is: 959,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,419.20 : 1,132,753.20 = 637,945.60 : x
  2. Step 2: Convert to fraction form
    753,419.20/1,132,753.20 = 637,945.60/x
  3. Step 3: Cross multiply
    753,419.20x = 1,132,753.20 × 637,945.60
  4. Step 4: Simplify right side
    753,419.20x = 722,634,919,825.92
  5. Step 5: Solve for x
    x = 722,634,919,825.92/753,419.20
  6. Step 6: Final answer
    x = 959,140.57

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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.