Home / 1,222,907.40-1,826,126.33-998,712.90

Finding the Fourth Proportional to 1,222,907.40, 1,826,126.33 and 998,712.90

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Solution

The fourth proportional to 1,222,907.40, 1,826,126.33 and 998,712.90 is: 1,491,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,907.40 : 1,826,126.33 = 998,712.90 : x
  2. Step 2: Convert to fraction form
    1,222,907.40/1,826,126.33 = 998,712.90/x
  3. Step 3: Cross multiply
    1,222,907.40x = 1,826,126.33 × 998,712.90
  4. Step 4: Simplify right side
    1,222,907.40x = 1,823,775,917,807.09
  5. Step 5: Solve for x
    x = 1,823,775,917,807.09/1,222,907.40
  6. Step 6: Final answer
    x = 1,491,344.25

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.