Home / 781,641.57-1,170,945.24-576,102.53

Finding the Fourth Proportional to 781,641.57, 1,170,945.24 and 576,102.53

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Solution

The fourth proportional to 781,641.57, 1,170,945.24 and 576,102.53 is: 863,035.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,641.57 : 1,170,945.24 = 576,102.53 : x
  2. Step 2: Convert to fraction form
    781,641.57/1,170,945.24 = 576,102.53/x
  3. Step 3: Cross multiply
    781,641.57x = 1,170,945.24 × 576,102.53
  4. Step 4: Simplify right side
    781,641.57x = 674,584,511,056.16
  5. Step 5: Solve for x
    x = 674,584,511,056.16/781,641.57
  6. Step 6: Final answer
    x = 863,035.61

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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.