Home / 940,540.72-1,297,195.68-618,581.56

Finding the Fourth Proportional to 940,540.72, 1,297,195.68 and 618,581.56

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Solution

The fourth proportional to 940,540.72, 1,297,195.68 and 618,581.56 is: 853,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,540.72 : 1,297,195.68 = 618,581.56 : x
  2. Step 2: Convert to fraction form
    940,540.72/1,297,195.68 = 618,581.56/x
  3. Step 3: Cross multiply
    940,540.72x = 1,297,195.68 × 618,581.56
  4. Step 4: Simplify right side
    940,540.72x = 802,421,327,359.66
  5. Step 5: Solve for x
    x = 802,421,327,359.66/940,540.72
  6. Step 6: Final answer
    x = 853,148.95

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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.