Home / 1,214,021.82-1,820,854.17-484,540.86

Finding the Fourth Proportional to 1,214,021.82, 1,820,854.17 and 484,540.86

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Solution

The fourth proportional to 1,214,021.82, 1,820,854.17 and 484,540.86 is: 726,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,021.82 : 1,820,854.17 = 484,540.86 : x
  2. Step 2: Convert to fraction form
    1,214,021.82/1,820,854.17 = 484,540.86/x
  3. Step 3: Cross multiply
    1,214,021.82x = 1,820,854.17 × 484,540.86
  4. Step 4: Simplify right side
    1,214,021.82x = 882,278,245,466.39
  5. Step 5: Solve for x
    x = 882,278,245,466.39/1,214,021.82
  6. Step 6: Final answer
    x = 726,740.02

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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.