Home / 1,040,542.80-1,561,105.80-508,081.20

Finding the Fourth Proportional to 1,040,542.80, 1,561,105.80 and 508,081.20

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Solution

The fourth proportional to 1,040,542.80, 1,561,105.80 and 508,081.20 is: 762,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,542.80 : 1,561,105.80 = 508,081.20 : x
  2. Step 2: Convert to fraction form
    1,040,542.80/1,561,105.80 = 508,081.20/x
  3. Step 3: Cross multiply
    1,040,542.80x = 1,561,105.80 × 508,081.20
  4. Step 4: Simplify right side
    1,040,542.80x = 793,168,508,190.96
  5. Step 5: Solve for x
    x = 793,168,508,190.96/1,040,542.80
  6. Step 6: Final answer
    x = 762,264.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.