Home / 1,131,651.59-1,561,698.11-648,258.89

Finding the Fourth Proportional to 1,131,651.59, 1,561,698.11 and 648,258.89

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Solution

The fourth proportional to 1,131,651.59, 1,561,698.11 and 648,258.89 is: 894,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,651.59 : 1,561,698.11 = 648,258.89 : x
  2. Step 2: Convert to fraction form
    1,131,651.59/1,561,698.11 = 648,258.89/x
  3. Step 3: Cross multiply
    1,131,651.59x = 1,561,698.11 × 648,258.89
  4. Step 4: Simplify right side
    1,131,651.59x = 1,012,384,677,115.85
  5. Step 5: Solve for x
    x = 1,012,384,677,115.85/1,131,651.59
  6. Step 6: Final answer
    x = 894,608.10

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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.