Home / 1,228,250.38-1,842,375.57-479,771.50

Finding the Fourth Proportional to 1,228,250.38, 1,842,375.57 and 479,771.50

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Solution

The fourth proportional to 1,228,250.38, 1,842,375.57 and 479,771.50 is: 719,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,250.38 : 1,842,375.57 = 479,771.50 : x
  2. Step 2: Convert to fraction form
    1,228,250.38/1,842,375.57 = 479,771.50/x
  3. Step 3: Cross multiply
    1,228,250.38x = 1,842,375.57 × 479,771.50
  4. Step 4: Simplify right side
    1,228,250.38x = 883,919,290,782.26
  5. Step 5: Solve for x
    x = 883,919,290,782.26/1,228,250.38
  6. Step 6: Final answer
    x = 719,657.25

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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.