Home / 1,245,916.26-1,719,365.66-672,956.43

Finding the Fourth Proportional to 1,245,916.26, 1,719,365.66 and 672,956.43

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Solution

The fourth proportional to 1,245,916.26, 1,719,365.66 and 672,956.43 is: 928,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,916.26 : 1,719,365.66 = 672,956.43 : x
  2. Step 2: Convert to fraction form
    1,245,916.26/1,719,365.66 = 672,956.43/x
  3. Step 3: Cross multiply
    1,245,916.26x = 1,719,365.66 × 672,956.43
  4. Step 4: Simplify right side
    1,245,916.26x = 1,157,058,176,418.19
  5. Step 5: Solve for x
    x = 1,157,058,176,418.19/1,245,916.26
  6. Step 6: Final answer
    x = 928,680.53

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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.