Home / 1,755,138.26-2,632,707.40-425,442.26

Finding the Fourth Proportional to 1,755,138.26, 2,632,707.40 and 425,442.26

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Solution

The fourth proportional to 1,755,138.26, 2,632,707.40 and 425,442.26 is: 638,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,138.26 : 2,632,707.40 = 425,442.26 : x
  2. Step 2: Convert to fraction form
    1,755,138.26/2,632,707.40 = 425,442.26/x
  3. Step 3: Cross multiply
    1,755,138.26x = 2,632,707.40 × 425,442.26
  4. Step 4: Simplify right side
    1,755,138.26x = 1,120,064,986,174.72
  5. Step 5: Solve for x
    x = 1,120,064,986,174.72/1,755,138.26
  6. Step 6: Final answer
    x = 638,163.39

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Double scale
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Similar ratio
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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.