Home / 1,321,504.50-1,823,676.22-717,892.50

Finding the Fourth Proportional to 1,321,504.50, 1,823,676.22 and 717,892.50

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Solution

The fourth proportional to 1,321,504.50, 1,823,676.22 and 717,892.50 is: 990,691.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,504.50 : 1,823,676.22 = 717,892.50 : x
  2. Step 2: Convert to fraction form
    1,321,504.50/1,823,676.22 = 717,892.50/x
  3. Step 3: Cross multiply
    1,321,504.50x = 1,823,676.22 × 717,892.50
  4. Step 4: Simplify right side
    1,321,504.50x = 1,309,203,480,766.35
  5. Step 5: Solve for x
    x = 1,309,203,480,766.35/1,321,504.50
  6. Step 6: Final answer
    x = 990,691.66

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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.