Home / 1,328,660-1,833,589.68-725,086.88

Finding the Fourth Proportional to 1,328,660, 1,833,589.68 and 725,086.88

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Solution

The fourth proportional to 1,328,660, 1,833,589.68 and 725,086.88 is: 1,000,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,660 : 1,833,589.68 = 725,086.88 : x
  2. Step 2: Convert to fraction form
    1,328,660/1,833,589.68 = 725,086.88/x
  3. Step 3: Cross multiply
    1,328,660x = 1,833,589.68 × 725,086.88
  4. Step 4: Simplify right side
    1,328,660x = 1,329,511,820,271.40
  5. Step 5: Solve for x
    x = 1,329,511,820,271.40/1,328,660
  6. Step 6: Final answer
    x = 1,000,641.11

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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.