Home / 1,268,283.41-1,750,227.03-687,508.80

Finding the Fourth Proportional to 1,268,283.41, 1,750,227.03 and 687,508.80

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Solution

The fourth proportional to 1,268,283.41, 1,750,227.03 and 687,508.80 is: 948,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,283.41 : 1,750,227.03 = 687,508.80 : x
  2. Step 2: Convert to fraction form
    1,268,283.41/1,750,227.03 = 687,508.80/x
  3. Step 3: Cross multiply
    1,268,283.41x = 1,750,227.03 × 687,508.80
  4. Step 4: Simplify right side
    1,268,283.41x = 1,203,296,485,122.86
  5. Step 5: Solve for x
    x = 1,203,296,485,122.86/1,268,283.41
  6. Step 6: Final answer
    x = 948,759.93

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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.