Home / 1,213,843.20-1,819,987.20-504,153.60

Finding the Fourth Proportional to 1,213,843.20, 1,819,987.20 and 504,153.60

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Solution

The fourth proportional to 1,213,843.20, 1,819,987.20 and 504,153.60 is: 755,907.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,843.20 : 1,819,987.20 = 504,153.60 : x
  2. Step 2: Convert to fraction form
    1,213,843.20/1,819,987.20 = 504,153.60/x
  3. Step 3: Cross multiply
    1,213,843.20x = 1,819,987.20 × 504,153.60
  4. Step 4: Simplify right side
    1,213,843.20x = 917,553,098,833.92
  5. Step 5: Solve for x
    x = 917,553,098,833.92/1,213,843.20
  6. Step 6: Final answer
    x = 755,907.43

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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.