Home / 1,275,391.21-1,760,164.18-952,540.80

Finding the Fourth Proportional to 1,275,391.21, 1,760,164.18 and 952,540.80

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Solution

The fourth proportional to 1,275,391.21, 1,760,164.18 and 952,540.80 is: 1,314,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,391.21 : 1,760,164.18 = 952,540.80 : x
  2. Step 2: Convert to fraction form
    1,275,391.21/1,760,164.18 = 952,540.80/x
  3. Step 3: Cross multiply
    1,275,391.21x = 1,760,164.18 × 952,540.80
  4. Step 4: Simplify right side
    1,275,391.21x = 1,676,628,196,148.54
  5. Step 5: Solve for x
    x = 1,676,628,196,148.54/1,275,391.21
  6. Step 6: Final answer
    x = 1,314,599.15

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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.