Home / 1,218,259.33-1,827,019.78-508,121.29

Finding the Fourth Proportional to 1,218,259.33, 1,827,019.78 and 508,121.29

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Solution

The fourth proportional to 1,218,259.33, 1,827,019.78 and 508,121.29 is: 762,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,259.33 : 1,827,019.78 = 508,121.29 : x
  2. Step 2: Convert to fraction form
    1,218,259.33/1,827,019.78 = 508,121.29/x
  3. Step 3: Cross multiply
    1,218,259.33x = 1,827,019.78 × 508,121.29
  4. Step 4: Simplify right side
    1,218,259.33x = 928,347,647,469.12
  5. Step 5: Solve for x
    x = 928,347,647,469.12/1,218,259.33
  6. Step 6: Final answer
    x = 762,027.94

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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.