Home / 1,214,225.56-1,821,020.78-361,067.56

Finding the Fourth Proportional to 1,214,225.56, 1,821,020.78 and 361,067.56

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Solution

The fourth proportional to 1,214,225.56, 1,821,020.78 and 361,067.56 is: 541,506.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,225.56 : 1,821,020.78 = 361,067.56 : x
  2. Step 2: Convert to fraction form
    1,214,225.56/1,821,020.78 = 361,067.56/x
  3. Step 3: Cross multiply
    1,214,225.56x = 1,821,020.78 × 361,067.56
  4. Step 4: Simplify right side
    1,214,225.56x = 657,511,529,743.90
  5. Step 5: Solve for x
    x = 657,511,529,743.90/1,214,225.56
  6. Step 6: Final answer
    x = 541,506.91

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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.