Home / 1,207,217.25-1,811,105.73-354,254.04

Finding the Fourth Proportional to 1,207,217.25, 1,811,105.73 and 354,254.04

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Solution

The fourth proportional to 1,207,217.25, 1,811,105.73 and 354,254.04 is: 531,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,217.25 : 1,811,105.73 = 354,254.04 : x
  2. Step 2: Convert to fraction form
    1,207,217.25/1,811,105.73 = 354,254.04/x
  3. Step 3: Cross multiply
    1,207,217.25x = 1,811,105.73 × 354,254.04
  4. Step 4: Simplify right side
    1,207,217.25x = 641,591,521,719.65
  5. Step 5: Solve for x
    x = 641,591,521,719.65/1,207,217.25
  6. Step 6: Final answer
    x = 531,463.18

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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.