Home / 1,079,236.56-1,489,447.80-806,832.72

Finding the Fourth Proportional to 1,079,236.56, 1,489,447.80 and 806,832.72

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Solution

The fourth proportional to 1,079,236.56, 1,489,447.80 and 806,832.72 is: 1,113,504.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,236.56 : 1,489,447.80 = 806,832.72 : x
  2. Step 2: Convert to fraction form
    1,079,236.56/1,489,447.80 = 806,832.72/x
  3. Step 3: Cross multiply
    1,079,236.56x = 1,489,447.80 × 806,832.72
  4. Step 4: Simplify right side
    1,079,236.56x = 1,201,735,219,772.02
  5. Step 5: Solve for x
    x = 1,201,735,219,772.02/1,079,236.56
  6. Step 6: Final answer
    x = 1,113,504.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.