Home / 1,207,286.70-1,810,930.05-320,822.70

Finding the Fourth Proportional to 1,207,286.70, 1,810,930.05 and 320,822.70

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Solution

The fourth proportional to 1,207,286.70, 1,810,930.05 and 320,822.70 is: 481,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,286.70 : 1,810,930.05 = 320,822.70 : x
  2. Step 2: Convert to fraction form
    1,207,286.70/1,810,930.05 = 320,822.70/x
  3. Step 3: Cross multiply
    1,207,286.70x = 1,810,930.05 × 320,822.70
  4. Step 4: Simplify right side
    1,207,286.70x = 580,987,468,152.14
  5. Step 5: Solve for x
    x = 580,987,468,152.14/1,207,286.70
  6. Step 6: Final answer
    x = 481,234.05

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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.