Home / 1,231,291.94-1,847,222.42-389,843.69

Finding the Fourth Proportional to 1,231,291.94, 1,847,222.42 and 389,843.69

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Solution

The fourth proportional to 1,231,291.94, 1,847,222.42 and 389,843.69 is: 584,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,291.94 : 1,847,222.42 = 389,843.69 : x
  2. Step 2: Convert to fraction form
    1,231,291.94/1,847,222.42 = 389,843.69/x
  3. Step 3: Cross multiply
    1,231,291.94x = 1,847,222.42 × 389,843.69
  4. Step 4: Simplify right side
    1,231,291.94x = 720,127,993,278.20
  5. Step 5: Solve for x
    x = 720,127,993,278.20/1,231,291.94
  6. Step 6: Final answer
    x = 584,855.61

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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.