Home / 1,330,584.80-1,995,877.20-825,715.85

Finding the Fourth Proportional to 1,330,584.80, 1,995,877.20 and 825,715.85

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Solution

The fourth proportional to 1,330,584.80, 1,995,877.20 and 825,715.85 is: 1,238,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,584.80 : 1,995,877.20 = 825,715.85 : x
  2. Step 2: Convert to fraction form
    1,330,584.80/1,995,877.20 = 825,715.85/x
  3. Step 3: Cross multiply
    1,330,584.80x = 1,995,877.20 × 825,715.85
  4. Step 4: Simplify right side
    1,330,584.80x = 1,648,027,438,693.62
  5. Step 5: Solve for x
    x = 1,648,027,438,693.62/1,330,584.80
  6. Step 6: Final answer
    x = 1,238,573.78

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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.