Home / 1,293,791.20-1,936,021.20-873,887.20

Finding the Fourth Proportional to 1,293,791.20, 1,936,021.20 and 873,887.20

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Solution

The fourth proportional to 1,293,791.20, 1,936,021.20 and 873,887.20 is: 1,307,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,791.20 : 1,936,021.20 = 873,887.20 : x
  2. Step 2: Convert to fraction form
    1,293,791.20/1,936,021.20 = 873,887.20/x
  3. Step 3: Cross multiply
    1,293,791.20x = 1,936,021.20 × 873,887.20
  4. Step 4: Simplify right side
    1,293,791.20x = 1,691,864,145,608.64
  5. Step 5: Solve for x
    x = 1,691,864,145,608.64/1,293,791.20
  6. Step 6: Final answer
    x = 1,307,679.44

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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.