Home / 1,213,815.20-1,819,945.20-504,125.60

Finding the Fourth Proportional to 1,213,815.20, 1,819,945.20 and 504,125.60

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Solution

The fourth proportional to 1,213,815.20, 1,819,945.20 and 504,125.60 is: 755,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,815.20 : 1,819,945.20 = 504,125.60 : x
  2. Step 2: Convert to fraction form
    1,213,815.20/1,819,945.20 = 504,125.60/x
  3. Step 3: Cross multiply
    1,213,815.20x = 1,819,945.20 × 504,125.60
  4. Step 4: Simplify right side
    1,213,815.20x = 917,480,965,917.12
  5. Step 5: Solve for x
    x = 917,480,965,917.12/1,213,815.20
  6. Step 6: Final answer
    x = 755,865.44

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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.