Home / 1,331,118.40-1,996,677.60-827,233.60

Finding the Fourth Proportional to 1,331,118.40, 1,996,677.60 and 827,233.60

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Solution

The fourth proportional to 1,331,118.40, 1,996,677.60 and 827,233.60 is: 1,240,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,118.40 : 1,996,677.60 = 827,233.60 : x
  2. Step 2: Convert to fraction form
    1,331,118.40/1,996,677.60 = 827,233.60/x
  3. Step 3: Cross multiply
    1,331,118.40x = 1,996,677.60 × 827,233.60
  4. Step 4: Simplify right side
    1,331,118.40x = 1,651,718,799,087.36
  5. Step 5: Solve for x
    x = 1,651,718,799,087.36/1,331,118.40
  6. Step 6: Final answer
    x = 1,240,850.40

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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.