Home / 995,517.93-1,375,167.07-780,441.96

Finding the Fourth Proportional to 995,517.93, 1,375,167.07 and 780,441.96

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Solution

The fourth proportional to 995,517.93, 1,375,167.07 and 780,441.96 is: 1,078,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,517.93 : 1,375,167.07 = 780,441.96 : x
  2. Step 2: Convert to fraction form
    995,517.93/1,375,167.07 = 780,441.96/x
  3. Step 3: Cross multiply
    995,517.93x = 1,375,167.07 × 780,441.96
  4. Step 4: Simplify right side
    995,517.93x = 1,073,238,084,997.28
  5. Step 5: Solve for x
    x = 1,073,238,084,997.28/995,517.93
  6. Step 6: Final answer
    x = 1,078,070.08

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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.