Home / 1,761,939.60-2,642,650.20-499,894.80

Finding the Fourth Proportional to 1,761,939.60, 2,642,650.20 and 499,894.80

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Solution

The fourth proportional to 1,761,939.60, 2,642,650.20 and 499,894.80 is: 749,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,939.60 : 2,642,650.20 = 499,894.80 : x
  2. Step 2: Convert to fraction form
    1,761,939.60/2,642,650.20 = 499,894.80/x
  3. Step 3: Cross multiply
    1,761,939.60x = 2,642,650.20 × 499,894.80
  4. Step 4: Simplify right side
    1,761,939.60x = 1,321,047,093,198.96
  5. Step 5: Solve for x
    x = 1,321,047,093,198.96/1,761,939.60
  6. Step 6: Final answer
    x = 749,768.66

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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.