Home / 1,080,081.82-1,490,694.87-627,635.26

Finding the Fourth Proportional to 1,080,081.82, 1,490,694.87 and 627,635.26

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Solution

The fourth proportional to 1,080,081.82, 1,490,694.87 and 627,635.26 is: 866,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,081.82 : 1,490,694.87 = 627,635.26 : x
  2. Step 2: Convert to fraction form
    1,080,081.82/1,490,694.87 = 627,635.26/x
  3. Step 3: Cross multiply
    1,080,081.82x = 1,490,694.87 × 627,635.26
  4. Step 4: Simplify right side
    1,080,081.82x = 935,612,662,313.12
  5. Step 5: Solve for x
    x = 935,612,662,313.12/1,080,081.82
  6. Step 6: Final answer
    x = 866,242.39

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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.