Home / 1,331,503.80-1,997,255.70-826,634.85

Finding the Fourth Proportional to 1,331,503.80, 1,997,255.70 and 826,634.85

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Solution

The fourth proportional to 1,331,503.80, 1,997,255.70 and 826,634.85 is: 1,239,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,503.80 : 1,997,255.70 = 826,634.85 : x
  2. Step 2: Convert to fraction form
    1,331,503.80/1,997,255.70 = 826,634.85/x
  3. Step 3: Cross multiply
    1,331,503.80x = 1,997,255.70 × 826,634.85
  4. Step 4: Simplify right side
    1,331,503.80x = 1,651,001,165,981.15
  5. Step 5: Solve for x
    x = 1,651,001,165,981.15/1,331,503.80
  6. Step 6: Final answer
    x = 1,239,952.28

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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.