Home / 1,080,080.82-1,490,693.49-627,634.26

Finding the Fourth Proportional to 1,080,080.82, 1,490,693.49 and 627,634.26

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Solution

The fourth proportional to 1,080,080.82, 1,490,693.49 and 627,634.26 is: 866,241.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,080.82 : 1,490,693.49 = 627,634.26 : x
  2. Step 2: Convert to fraction form
    1,080,080.82/1,490,693.49 = 627,634.26/x
  3. Step 3: Cross multiply
    1,080,080.82x = 1,490,693.49 × 627,634.26
  4. Step 4: Simplify right side
    1,080,080.82x = 935,610,305,482.97
  5. Step 5: Solve for x
    x = 935,610,305,482.97/1,080,080.82
  6. Step 6: Final answer
    x = 866,241.01

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1.5x scale

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.