Home / 1,267,915.80-1,749,720.12-694,954.20

Finding the Fourth Proportional to 1,267,915.80, 1,749,720.12 and 694,954.20

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Solution

The fourth proportional to 1,267,915.80, 1,749,720.12 and 694,954.20 is: 959,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,915.80 : 1,749,720.12 = 694,954.20 : x
  2. Step 2: Convert to fraction form
    1,267,915.80/1,749,720.12 = 694,954.20/x
  3. Step 3: Cross multiply
    1,267,915.80x = 1,749,720.12 × 694,954.20
  4. Step 4: Simplify right side
    1,267,915.80x = 1,215,975,346,218.50
  5. Step 5: Solve for x
    x = 1,215,975,346,218.50/1,267,915.80
  6. Step 6: Final answer
    x = 959,034.78

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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.