Home / 1,522,791.45-2,101,452.10-910,969.90

Finding the Fourth Proportional to 1,522,791.45, 2,101,452.10 and 910,969.90

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Solution

The fourth proportional to 1,522,791.45, 2,101,452.10 and 910,969.90 is: 1,257,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,791.45 : 2,101,452.10 = 910,969.90 : x
  2. Step 2: Convert to fraction form
    1,522,791.45/2,101,452.10 = 910,969.90/x
  3. Step 3: Cross multiply
    1,522,791.45x = 2,101,452.10 × 910,969.90
  4. Step 4: Simplify right side
    1,522,791.45x = 1,914,359,609,391.79
  5. Step 5: Solve for x
    x = 1,914,359,609,391.79/1,522,791.45
  6. Step 6: Final answer
    x = 1,257,138.40

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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.