Home / 1,188,022.14-1,638,872.19-848,687.22

Finding the Fourth Proportional to 1,188,022.14, 1,638,872.19 and 848,687.22

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Solution

The fourth proportional to 1,188,022.14, 1,638,872.19 and 848,687.22 is: 1,170,760.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,022.14 : 1,638,872.19 = 848,687.22 : x
  2. Step 2: Convert to fraction form
    1,188,022.14/1,638,872.19 = 848,687.22/x
  3. Step 3: Cross multiply
    1,188,022.14x = 1,638,872.19 × 848,687.22
  4. Step 4: Simplify right side
    1,188,022.14x = 1,390,889,882,866.41
  5. Step 5: Solve for x
    x = 1,390,889,882,866.41/1,188,022.14
  6. Step 6: Final answer
    x = 1,170,760.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.