Home / 1,013,910.75-1,399,198.10-631,937.25

Finding the Fourth Proportional to 1,013,910.75, 1,399,198.10 and 631,937.25

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Solution

The fourth proportional to 1,013,910.75, 1,399,198.10 and 631,937.25 is: 872,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,910.75 : 1,399,198.10 = 631,937.25 : x
  2. Step 2: Convert to fraction form
    1,013,910.75/1,399,198.10 = 631,937.25/x
  3. Step 3: Cross multiply
    1,013,910.75x = 1,399,198.10 × 631,937.25
  4. Step 4: Simplify right side
    1,013,910.75x = 884,205,396,359.54
  5. Step 5: Solve for x
    x = 884,205,396,359.54/1,013,910.75
  6. Step 6: Final answer
    x = 872,074.19

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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.