Home / 1,228,245.26-1,842,367.89-479,766.38

Finding the Fourth Proportional to 1,228,245.26, 1,842,367.89 and 479,766.38

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Solution

The fourth proportional to 1,228,245.26, 1,842,367.89 and 479,766.38 is: 719,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,245.26 : 1,842,367.89 = 479,766.38 : x
  2. Step 2: Convert to fraction form
    1,228,245.26/1,842,367.89 = 479,766.38/x
  3. Step 3: Cross multiply
    1,228,245.26x = 1,842,367.89 × 479,766.38
  4. Step 4: Simplify right side
    1,228,245.26x = 883,906,164,001.70
  5. Step 5: Solve for x
    x = 883,906,164,001.70/1,228,245.26
  6. Step 6: Final answer
    x = 719,649.57

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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.