Home / 1,080,739.44-1,620,234.60-450,126.96

Finding the Fourth Proportional to 1,080,739.44, 1,620,234.60 and 450,126.96

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Solution

The fourth proportional to 1,080,739.44, 1,620,234.60 and 450,126.96 is: 674,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,739.44 : 1,620,234.60 = 450,126.96 : x
  2. Step 2: Convert to fraction form
    1,080,739.44/1,620,234.60 = 450,126.96/x
  3. Step 3: Cross multiply
    1,080,739.44x = 1,620,234.60 × 450,126.96
  4. Step 4: Simplify right side
    1,080,739.44x = 729,311,274,984.82
  5. Step 5: Solve for x
    x = 729,311,274,984.82/1,080,739.44
  6. Step 6: Final answer
    x = 674,826.19

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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.