Home / 1,264,080.27-1,896,113.12-422,624.73

Finding the Fourth Proportional to 1,264,080.27, 1,896,113.12 and 422,624.73

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Solution

The fourth proportional to 1,264,080.27, 1,896,113.12 and 422,624.73 is: 633,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,080.27 : 1,896,113.12 = 422,624.73 : x
  2. Step 2: Convert to fraction form
    1,264,080.27/1,896,113.12 = 422,624.73/x
  3. Step 3: Cross multiply
    1,264,080.27x = 1,896,113.12 × 422,624.73
  4. Step 4: Simplify right side
    1,264,080.27x = 801,344,293,276.33
  5. Step 5: Solve for x
    x = 801,344,293,276.33/1,264,080.27
  6. Step 6: Final answer
    x = 633,934.66

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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.