Home / 1,079,238.56-1,489,450.56-806,834.72

Finding the Fourth Proportional to 1,079,238.56, 1,489,450.56 and 806,834.72

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Solution

The fourth proportional to 1,079,238.56, 1,489,450.56 and 806,834.72 is: 1,113,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,238.56 : 1,489,450.56 = 806,834.72 : x
  2. Step 2: Convert to fraction form
    1,079,238.56/1,489,450.56 = 806,834.72/x
  3. Step 3: Cross multiply
    1,079,238.56x = 1,489,450.56 × 806,834.72
  4. Step 4: Simplify right side
    1,079,238.56x = 1,201,740,425,531.44
  5. Step 5: Solve for x
    x = 1,201,740,425,531.44/1,079,238.56
  6. Step 6: Final answer
    x = 1,113,507.68

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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.