Home / 1,199,986-1,800,074.60-401,272.56

Finding the Fourth Proportional to 1,199,986, 1,800,074.60 and 401,272.56

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Solution

The fourth proportional to 1,199,986, 1,800,074.60 and 401,272.56 is: 601,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,986 : 1,800,074.60 = 401,272.56 : x
  2. Step 2: Convert to fraction form
    1,199,986/1,800,074.60 = 401,272.56/x
  3. Step 3: Cross multiply
    1,199,986x = 1,800,074.60 × 401,272.56
  4. Step 4: Simplify right side
    1,199,986x = 722,320,542,932.98
  5. Step 5: Solve for x
    x = 722,320,542,932.98/1,199,986
  6. Step 6: Final answer
    x = 601,940.81

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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.