Home / 1,131,599.67-1,561,648.61-648,258.23

Finding the Fourth Proportional to 1,131,599.67, 1,561,648.61 and 648,258.23

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Solution

The fourth proportional to 1,131,599.67, 1,561,648.61 and 648,258.23 is: 894,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,599.67 : 1,561,648.61 = 648,258.23 : x
  2. Step 2: Convert to fraction form
    1,131,599.67/1,561,648.61 = 648,258.23/x
  3. Step 3: Cross multiply
    1,131,599.67x = 1,561,648.61 × 648,258.23
  4. Step 4: Simplify right side
    1,131,599.67x = 1,012,351,563,800.56
  5. Step 5: Solve for x
    x = 1,012,351,563,800.56/1,131,599.67
  6. Step 6: Final answer
    x = 894,619.88

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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.