Home / 1,375,680.88-2,062,121.64-1,273,854.16

Finding the Fourth Proportional to 1,375,680.88, 2,062,121.64 and 1,273,854.16

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Solution

The fourth proportional to 1,375,680.88, 2,062,121.64 and 1,273,854.16 is: 1,909,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,680.88 : 2,062,121.64 = 1,273,854.16 : x
  2. Step 2: Convert to fraction form
    1,375,680.88/2,062,121.64 = 1,273,854.16/x
  3. Step 3: Cross multiply
    1,375,680.88x = 2,062,121.64 × 1,273,854.16
  4. Step 4: Simplify right side
    1,375,680.88x = 2,626,842,229,540.02
  5. Step 5: Solve for x
    x = 2,626,842,229,540.02/1,375,680.88
  6. Step 6: Final answer
    x = 1,909,485.16

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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.