Home / 753,407.20-1,132,735.20-637,933.60

Finding the Fourth Proportional to 753,407.20, 1,132,735.20 and 637,933.60

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Solution

The fourth proportional to 753,407.20, 1,132,735.20 and 637,933.60 is: 959,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,407.20 : 1,132,735.20 = 637,933.60 : x
  2. Step 2: Convert to fraction form
    753,407.20/1,132,735.20 = 637,933.60/x
  3. Step 3: Cross multiply
    753,407.20x = 1,132,735.20 × 637,933.60
  4. Step 4: Simplify right side
    753,407.20x = 722,609,843,982.72
  5. Step 5: Solve for x
    x = 722,609,843,982.72/753,407.20
  6. Step 6: Final answer
    x = 959,122.56

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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.