Home / 1,328,786.88-1,833,700.32-725,179.20

Finding the Fourth Proportional to 1,328,786.88, 1,833,700.32 and 725,179.20

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Solution

The fourth proportional to 1,328,786.88, 1,833,700.32 and 725,179.20 is: 1,000,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,786.88 : 1,833,700.32 = 725,179.20 : x
  2. Step 2: Convert to fraction form
    1,328,786.88/1,833,700.32 = 725,179.20/x
  3. Step 3: Cross multiply
    1,328,786.88x = 1,833,700.32 × 725,179.20
  4. Step 4: Simplify right side
    1,328,786.88x = 1,329,761,331,097.34
  5. Step 5: Solve for x
    x = 1,329,761,331,097.34/1,328,786.88
  6. Step 6: Final answer
    x = 1,000,733.34

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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.