Home / 1,252,870.26-1,879,508.94-388,103.24

Finding the Fourth Proportional to 1,252,870.26, 1,879,508.94 and 388,103.24

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Solution

The fourth proportional to 1,252,870.26, 1,879,508.94 and 388,103.24 is: 582,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,870.26 : 1,879,508.94 = 388,103.24 : x
  2. Step 2: Convert to fraction form
    1,252,870.26/1,879,508.94 = 388,103.24/x
  3. Step 3: Cross multiply
    1,252,870.26x = 1,879,508.94 × 388,103.24
  4. Step 4: Simplify right side
    1,252,870.26x = 729,443,500,342.59
  5. Step 5: Solve for x
    x = 729,443,500,342.59/1,252,870.26
  6. Step 6: Final answer
    x = 582,217.91

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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.