Home / 1,107,546.90-1,661,320.35-729,633.30

Finding the Fourth Proportional to 1,107,546.90, 1,661,320.35 and 729,633.30

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Solution

The fourth proportional to 1,107,546.90, 1,661,320.35 and 729,633.30 is: 1,094,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,546.90 : 1,661,320.35 = 729,633.30 : x
  2. Step 2: Convert to fraction form
    1,107,546.90/1,661,320.35 = 729,633.30/x
  3. Step 3: Cross multiply
    1,107,546.90x = 1,661,320.35 × 729,633.30
  4. Step 4: Simplify right side
    1,107,546.90x = 1,212,154,649,327.66
  5. Step 5: Solve for x
    x = 1,212,154,649,327.66/1,107,546.90
  6. Step 6: Final answer
    x = 1,094,449.95

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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.