Home / 1,253,268.93-1,729,542.48-680,309.10

Finding the Fourth Proportional to 1,253,268.93, 1,729,542.48 and 680,309.10

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Solution

The fourth proportional to 1,253,268.93, 1,729,542.48 and 680,309.10 is: 938,843.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,268.93 : 1,729,542.48 = 680,309.10 : x
  2. Step 2: Convert to fraction form
    1,253,268.93/1,729,542.48 = 680,309.10/x
  3. Step 3: Cross multiply
    1,253,268.93x = 1,729,542.48 × 680,309.10
  4. Step 4: Simplify right side
    1,253,268.93x = 1,176,623,487,980.57
  5. Step 5: Solve for x
    x = 1,176,623,487,980.57/1,253,268.93
  6. Step 6: Final answer
    x = 938,843.58

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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.