Home / 1,213,161.82-1,819,976.04-465,149.50

Finding the Fourth Proportional to 1,213,161.82, 1,819,976.04 and 465,149.50

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Solution

The fourth proportional to 1,213,161.82, 1,819,976.04 and 465,149.50 is: 697,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,161.82 : 1,819,976.04 = 465,149.50 : x
  2. Step 2: Convert to fraction form
    1,213,161.82/1,819,976.04 = 465,149.50/x
  3. Step 3: Cross multiply
    1,213,161.82x = 1,819,976.04 × 465,149.50
  4. Step 4: Simplify right side
    1,213,161.82x = 846,560,945,017.98
  5. Step 5: Solve for x
    x = 846,560,945,017.98/1,213,161.82
  6. Step 6: Final answer
    x = 697,813.71

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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.