Home / 1,399,104.62-2,098,422.15-388,329.26

Finding the Fourth Proportional to 1,399,104.62, 2,098,422.15 and 388,329.26

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Solution

The fourth proportional to 1,399,104.62, 2,098,422.15 and 388,329.26 is: 582,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,104.62 : 2,098,422.15 = 388,329.26 : x
  2. Step 2: Convert to fraction form
    1,399,104.62/2,098,422.15 = 388,329.26/x
  3. Step 3: Cross multiply
    1,399,104.62x = 2,098,422.15 × 388,329.26
  4. Step 4: Simplify right side
    1,399,104.62x = 814,878,710,185.00
  5. Step 5: Solve for x
    x = 814,878,710,185.00/1,399,104.62
  6. Step 6: Final answer
    x = 582,428.72

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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.