Home / 1,327,481.08-1,991,224.86-485,573.56

Finding the Fourth Proportional to 1,327,481.08, 1,991,224.86 and 485,573.56

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Solution

The fourth proportional to 1,327,481.08, 1,991,224.86 and 485,573.56 is: 728,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,481.08 : 1,991,224.86 = 485,573.56 : x
  2. Step 2: Convert to fraction form
    1,327,481.08/1,991,224.86 = 485,573.56/x
  3. Step 3: Cross multiply
    1,327,481.08x = 1,991,224.86 × 485,573.56
  4. Step 4: Simplify right side
    1,327,481.08x = 966,886,144,030.70
  5. Step 5: Solve for x
    x = 966,886,144,030.70/1,327,481.08
  6. Step 6: Final answer
    x = 728,361.53

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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.