Home / 1,000,456.70-1,380,633.54-541,571.15

Finding the Fourth Proportional to 1,000,456.70, 1,380,633.54 and 541,571.15

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Solution

The fourth proportional to 1,000,456.70, 1,380,633.54 and 541,571.15 is: 747,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,456.70 : 1,380,633.54 = 541,571.15 : x
  2. Step 2: Convert to fraction form
    1,000,456.70/1,380,633.54 = 541,571.15/x
  3. Step 3: Cross multiply
    1,000,456.70x = 1,380,633.54 × 541,571.15
  4. Step 4: Simplify right side
    1,000,456.70x = 747,711,288,437.13
  5. Step 5: Solve for x
    x = 747,711,288,437.13/1,000,456.70
  6. Step 6: Final answer
    x = 747,369.97

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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.