Home / 1,299,414.24-1,949,399.58-388,668.24

Finding the Fourth Proportional to 1,299,414.24, 1,949,399.58 and 388,668.24

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Solution

The fourth proportional to 1,299,414.24, 1,949,399.58 and 388,668.24 is: 583,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,414.24 : 1,949,399.58 = 388,668.24 : x
  2. Step 2: Convert to fraction form
    1,299,414.24/1,949,399.58 = 388,668.24/x
  3. Step 3: Cross multiply
    1,299,414.24x = 1,949,399.58 × 388,668.24
  4. Step 4: Simplify right side
    1,299,414.24x = 757,669,703,815.34
  5. Step 5: Solve for x
    x = 757,669,703,815.34/1,299,414.24
  6. Step 6: Final answer
    x = 583,085.58

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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.