Home / 1,313,695.26-1,970,531.01-415,137.15

Finding the Fourth Proportional to 1,313,695.26, 1,970,531.01 and 415,137.15

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Solution

The fourth proportional to 1,313,695.26, 1,970,531.01 and 415,137.15 is: 622,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,695.26 : 1,970,531.01 = 415,137.15 : x
  2. Step 2: Convert to fraction form
    1,313,695.26/1,970,531.01 = 415,137.15/x
  3. Step 3: Cross multiply
    1,313,695.26x = 1,970,531.01 × 415,137.15
  4. Step 4: Simplify right side
    1,313,695.26x = 818,040,627,478.02
  5. Step 5: Solve for x
    x = 818,040,627,478.02/1,313,695.26
  6. Step 6: Final answer
    x = 622,701.97

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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.