Home / 1,268,202.38-1,750,072.38-687,413.03

Finding the Fourth Proportional to 1,268,202.38, 1,750,072.38 and 687,413.03

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Solution

The fourth proportional to 1,268,202.38, 1,750,072.38 and 687,413.03 is: 948,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,202.38 : 1,750,072.38 = 687,413.03 : x
  2. Step 2: Convert to fraction form
    1,268,202.38/1,750,072.38 = 687,413.03/x
  3. Step 3: Cross multiply
    1,268,202.38x = 1,750,072.38 × 687,413.03
  4. Step 4: Simplify right side
    1,268,202.38x = 1,203,022,561,889.43
  5. Step 5: Solve for x
    x = 1,203,022,561,889.43/1,268,202.38
  6. Step 6: Final answer
    x = 948,604.56

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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.