Home / 752,142.54-1,128,216.26-191,177.04

Finding the Fourth Proportional to 752,142.54, 1,128,216.26 and 191,177.04

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Solution

The fourth proportional to 752,142.54, 1,128,216.26 and 191,177.04 is: 286,766.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,142.54 : 1,128,216.26 = 191,177.04 : x
  2. Step 2: Convert to fraction form
    752,142.54/1,128,216.26 = 191,177.04/x
  3. Step 3: Cross multiply
    752,142.54x = 1,128,216.26 × 191,177.04
  4. Step 4: Simplify right side
    752,142.54x = 215,689,049,775.42
  5. Step 5: Solve for x
    x = 215,689,049,775.42/752,142.54
  6. Step 6: Final answer
    x = 286,766.19

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1.5x scale

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.