Home / 1,145,640.11-1,580,983.95-629,427.27

Finding the Fourth Proportional to 1,145,640.11, 1,580,983.95 and 629,427.27

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Solution

The fourth proportional to 1,145,640.11, 1,580,983.95 and 629,427.27 is: 868,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,640.11 : 1,580,983.95 = 629,427.27 : x
  2. Step 2: Convert to fraction form
    1,145,640.11/1,580,983.95 = 629,427.27/x
  3. Step 3: Cross multiply
    1,145,640.11x = 1,580,983.95 × 629,427.27
  4. Step 4: Simplify right side
    1,145,640.11x = 995,114,419,851.36
  5. Step 5: Solve for x
    x = 995,114,419,851.36/1,145,640.11
  6. Step 6: Final answer
    x = 868,609.97

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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.