Home / 1,040,069.40-1,435,962.78-849,540.12

Finding the Fourth Proportional to 1,040,069.40, 1,435,962.78 and 849,540.12

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Solution

The fourth proportional to 1,040,069.40, 1,435,962.78 and 849,540.12 is: 1,172,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,069.40 : 1,435,962.78 = 849,540.12 : x
  2. Step 2: Convert to fraction form
    1,040,069.40/1,435,962.78 = 849,540.12/x
  3. Step 3: Cross multiply
    1,040,069.40x = 1,435,962.78 × 849,540.12
  4. Step 4: Simplify right side
    1,040,069.40x = 1,219,907,992,436.73
  5. Step 5: Solve for x
    x = 1,219,907,992,436.73/1,040,069.40
  6. Step 6: Final answer
    x = 1,172,910.19

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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.