Home / 1,328,836.88-1,833,769.28-725,229.20

Finding the Fourth Proportional to 1,328,836.88, 1,833,769.28 and 725,229.20

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Solution

The fourth proportional to 1,328,836.88, 1,833,769.28 and 725,229.20 is: 1,000,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,836.88 : 1,833,769.28 = 725,229.20 : x
  2. Step 2: Convert to fraction form
    1,328,836.88/1,833,769.28 = 725,229.20/x
  3. Step 3: Cross multiply
    1,328,836.88x = 1,833,769.28 × 725,229.20
  4. Step 4: Simplify right side
    1,328,836.88x = 1,329,903,027,918.98
  5. Step 5: Solve for x
    x = 1,329,903,027,918.98/1,328,836.88
  6. Step 6: Final answer
    x = 1,000,802.32

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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.