Home / 1,008,366.20-1,511,220.90-740,871.80

Finding the Fourth Proportional to 1,008,366.20, 1,511,220.90 and 740,871.80

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Solution

The fourth proportional to 1,008,366.20, 1,511,220.90 and 740,871.80 is: 1,110,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,366.20 : 1,511,220.90 = 740,871.80 : x
  2. Step 2: Convert to fraction form
    1,008,366.20/1,511,220.90 = 740,871.80/x
  3. Step 3: Cross multiply
    1,008,366.20x = 1,511,220.90 × 740,871.80
  4. Step 4: Simplify right side
    1,008,366.20x = 1,119,620,948,380.62
  5. Step 5: Solve for x
    x = 1,119,620,948,380.62/1,008,366.20
  6. Step 6: Final answer
    x = 1,110,331.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.