Home / 1,000,443.67-1,380,612.99-541,556.80

Finding the Fourth Proportional to 1,000,443.67, 1,380,612.99 and 541,556.80

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Solution

The fourth proportional to 1,000,443.67, 1,380,612.99 and 541,556.80 is: 747,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,443.67 : 1,380,612.99 = 541,556.80 : x
  2. Step 2: Convert to fraction form
    1,000,443.67/1,380,612.99 = 541,556.80/x
  3. Step 3: Cross multiply
    1,000,443.67x = 1,380,612.99 × 541,556.80
  4. Step 4: Simplify right side
    1,000,443.67x = 747,680,352,902.83
  5. Step 5: Solve for x
    x = 747,680,352,902.83/1,000,443.67
  6. Step 6: Final answer
    x = 747,348.78

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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.