Home / 1,302,915.50-1,797,979.92-722,113.88

Finding the Fourth Proportional to 1,302,915.50, 1,797,979.92 and 722,113.88

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Solution

The fourth proportional to 1,302,915.50, 1,797,979.92 and 722,113.88 is: 996,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,915.50 : 1,797,979.92 = 722,113.88 : x
  2. Step 2: Convert to fraction form
    1,302,915.50/1,797,979.92 = 722,113.88/x
  3. Step 3: Cross multiply
    1,302,915.50x = 1,797,979.92 × 722,113.88
  4. Step 4: Simplify right side
    1,302,915.50x = 1,298,346,256,193.29
  5. Step 5: Solve for x
    x = 1,298,346,256,193.29/1,302,915.50
  6. Step 6: Final answer
    x = 996,493.06

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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.