Home / 1,327,330.20-1,991,141.10-486,064.20

Finding the Fourth Proportional to 1,327,330.20, 1,991,141.10 and 486,064.20

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Solution

The fourth proportional to 1,327,330.20, 1,991,141.10 and 486,064.20 is: 729,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,330.20 : 1,991,141.10 = 486,064.20 : x
  2. Step 2: Convert to fraction form
    1,327,330.20/1,991,141.10 = 486,064.20/x
  3. Step 3: Cross multiply
    1,327,330.20x = 1,991,141.10 × 486,064.20
  4. Step 4: Simplify right side
    1,327,330.20x = 967,822,405,858.62
  5. Step 5: Solve for x
    x = 967,822,405,858.62/1,327,330.20
  6. Step 6: Final answer
    x = 729,149.69

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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.