Home / 1,218,592.22-1,681,751.90-674,778.60

Finding the Fourth Proportional to 1,218,592.22, 1,681,751.90 and 674,778.60

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Solution

The fourth proportional to 1,218,592.22, 1,681,751.90 and 674,778.60 is: 931,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,592.22 : 1,681,751.90 = 674,778.60 : x
  2. Step 2: Convert to fraction form
    1,218,592.22/1,681,751.90 = 674,778.60/x
  3. Step 3: Cross multiply
    1,218,592.22x = 1,681,751.90 × 674,778.60
  4. Step 4: Simplify right side
    1,218,592.22x = 1,134,810,194,316.29
  5. Step 5: Solve for x
    x = 1,134,810,194,316.29/1,218,592.22
  6. Step 6: Final answer
    x = 931,246.88

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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.