Home / 1,229,672.70-1,844,509.05-388,115.10

Finding the Fourth Proportional to 1,229,672.70, 1,844,509.05 and 388,115.10

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Solution

The fourth proportional to 1,229,672.70, 1,844,509.05 and 388,115.10 is: 582,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,672.70 : 1,844,509.05 = 388,115.10 : x
  2. Step 2: Convert to fraction form
    1,229,672.70/1,844,509.05 = 388,115.10/x
  3. Step 3: Cross multiply
    1,229,672.70x = 1,844,509.05 × 388,115.10
  4. Step 4: Simplify right side
    1,229,672.70x = 715,881,814,391.66
  5. Step 5: Solve for x
    x = 715,881,814,391.66/1,229,672.70
  6. Step 6: Final answer
    x = 582,172.65

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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.