Home / 1,330,234.80-1,995,647.04-383,531.76

Finding the Fourth Proportional to 1,330,234.80, 1,995,647.04 and 383,531.76

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Solution

The fourth proportional to 1,330,234.80, 1,995,647.04 and 383,531.76 is: 575,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,234.80 : 1,995,647.04 = 383,531.76 : x
  2. Step 2: Convert to fraction form
    1,330,234.80/1,995,647.04 = 383,531.76/x
  3. Step 3: Cross multiply
    1,330,234.80x = 1,995,647.04 × 383,531.76
  4. Step 4: Simplify right side
    1,330,234.80x = 765,394,021,589.99
  5. Step 5: Solve for x
    x = 765,394,021,589.99/1,330,234.80
  6. Step 6: Final answer
    x = 575,382.65

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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.