Home / 1,080,481.45-1,491,344.48-621,643.02

Finding the Fourth Proportional to 1,080,481.45, 1,491,344.48 and 621,643.02

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Solution

The fourth proportional to 1,080,481.45, 1,491,344.48 and 621,643.02 is: 858,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,481.45 : 1,491,344.48 = 621,643.02 : x
  2. Step 2: Convert to fraction form
    1,080,481.45/1,491,344.48 = 621,643.02/x
  3. Step 3: Cross multiply
    1,080,481.45x = 1,491,344.48 × 621,643.02
  4. Step 4: Simplify right side
    1,080,481.45x = 927,083,887,961.64
  5. Step 5: Solve for x
    x = 927,083,887,961.64/1,080,481.45
  6. Step 6: Final answer
    x = 858,028.51

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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.