Home / 1,086,004.48-1,629,240.72-327,782.56

Finding the Fourth Proportional to 1,086,004.48, 1,629,240.72 and 327,782.56

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Solution

The fourth proportional to 1,086,004.48, 1,629,240.72 and 327,782.56 is: 491,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,004.48 : 1,629,240.72 = 327,782.56 : x
  2. Step 2: Convert to fraction form
    1,086,004.48/1,629,240.72 = 327,782.56/x
  3. Step 3: Cross multiply
    1,086,004.48x = 1,629,240.72 × 327,782.56
  4. Step 4: Simplify right side
    1,086,004.48x = 534,036,694,057.84
  5. Step 5: Solve for x
    x = 534,036,694,057.84/1,086,004.48
  6. Step 6: Final answer
    x = 491,744.47

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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.