Home / 1,254,245.36-1,730,861.88-681,280.88

Finding the Fourth Proportional to 1,254,245.36, 1,730,861.88 and 681,280.88

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Solution

The fourth proportional to 1,254,245.36, 1,730,861.88 and 681,280.88 is: 940,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,245.36 : 1,730,861.88 = 681,280.88 : x
  2. Step 2: Convert to fraction form
    1,254,245.36/1,730,861.88 = 681,280.88/x
  3. Step 3: Cross multiply
    1,254,245.36x = 1,730,861.88 × 681,280.88
  4. Step 4: Simplify right side
    1,254,245.36x = 1,179,203,104,764.85
  5. Step 5: Solve for x
    x = 1,179,203,104,764.85/1,254,245.36
  6. Step 6: Final answer
    x = 940,169.40

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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.