Home / 1,142,993.22-1,711,126.46-762,971.34

Finding the Fourth Proportional to 1,142,993.22, 1,711,126.46 and 762,971.34

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Solution

The fourth proportional to 1,142,993.22, 1,711,126.46 and 762,971.34 is: 1,142,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,993.22 : 1,711,126.46 = 762,971.34 : x
  2. Step 2: Convert to fraction form
    1,142,993.22/1,711,126.46 = 762,971.34/x
  3. Step 3: Cross multiply
    1,142,993.22x = 1,711,126.46 × 762,971.34
  4. Step 4: Simplify right side
    1,142,993.22x = 1,305,540,444,280.80
  5. Step 5: Solve for x
    x = 1,305,540,444,280.80/1,142,993.22
  6. Step 6: Final answer
    x = 1,142,211.89

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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.