Home / 1,072,327.80-1,480,505.22-664,862.52

Finding the Fourth Proportional to 1,072,327.80, 1,480,505.22 and 664,862.52

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Solution

The fourth proportional to 1,072,327.80, 1,480,505.22 and 664,862.52 is: 917,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,327.80 : 1,480,505.22 = 664,862.52 : x
  2. Step 2: Convert to fraction form
    1,072,327.80/1,480,505.22 = 664,862.52/x
  3. Step 3: Cross multiply
    1,072,327.80x = 1,480,505.22 × 664,862.52
  4. Step 4: Simplify right side
    1,072,327.80x = 984,332,431,442.35
  5. Step 5: Solve for x
    x = 984,332,431,442.35/1,072,327.80
  6. Step 6: Final answer
    x = 917,939.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.