Home / 1,302,917.50-1,797,982.68-722,115.88

Finding the Fourth Proportional to 1,302,917.50, 1,797,982.68 and 722,115.88

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Solution

The fourth proportional to 1,302,917.50, 1,797,982.68 and 722,115.88 is: 996,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,917.50 : 1,797,982.68 = 722,115.88 : x
  2. Step 2: Convert to fraction form
    1,302,917.50/1,797,982.68 = 722,115.88/x
  3. Step 3: Cross multiply
    1,302,917.50x = 1,797,982.68 × 722,115.88
  4. Step 4: Simplify right side
    1,302,917.50x = 1,298,351,845,192.96
  5. Step 5: Solve for x
    x = 1,298,351,845,192.96/1,302,917.50
  6. Step 6: Final answer
    x = 996,495.82

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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.