Home / 1,098,046.15-1,647,069.23-388,097.35

Finding the Fourth Proportional to 1,098,046.15, 1,647,069.23 and 388,097.35

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Solution

The fourth proportional to 1,098,046.15, 1,647,069.23 and 388,097.35 is: 582,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,046.15 : 1,647,069.23 = 388,097.35 : x
  2. Step 2: Convert to fraction form
    1,098,046.15/1,647,069.23 = 388,097.35/x
  3. Step 3: Cross multiply
    1,098,046.15x = 1,647,069.23 × 388,097.35
  4. Step 4: Simplify right side
    1,098,046.15x = 639,223,203,429.54
  5. Step 5: Solve for x
    x = 639,223,203,429.54/1,098,046.15
  6. Step 6: Final answer
    x = 582,146.03

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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.