Home / 1,025,930.32-1,538,921.76-486,060.22

Finding the Fourth Proportional to 1,025,930.32, 1,538,921.76 and 486,060.22

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Solution

The fourth proportional to 1,025,930.32, 1,538,921.76 and 486,060.22 is: 729,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,930.32 : 1,538,921.76 = 486,060.22 : x
  2. Step 2: Convert to fraction form
    1,025,930.32/1,538,921.76 = 486,060.22/x
  3. Step 3: Cross multiply
    1,025,930.32x = 1,538,921.76 × 486,060.22
  4. Step 4: Simplify right side
    1,025,930.32x = 748,008,649,228.39
  5. Step 5: Solve for x
    x = 748,008,649,228.39/1,025,930.32
  6. Step 6: Final answer
    x = 729,102.78

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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.