Home / 1,394,179.40-2,093,342.70-1,078,992.20

Finding the Fourth Proportional to 1,394,179.40, 2,093,342.70 and 1,078,992.20

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Solution

The fourth proportional to 1,394,179.40, 2,093,342.70 and 1,078,992.20 is: 1,620,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,179.40 : 2,093,342.70 = 1,078,992.20 : x
  2. Step 2: Convert to fraction form
    1,394,179.40/2,093,342.70 = 1,078,992.20/x
  3. Step 3: Cross multiply
    1,394,179.40x = 2,093,342.70 × 1,078,992.20
  4. Step 4: Simplify right side
    1,394,179.40x = 2,258,700,445,226.94
  5. Step 5: Solve for x
    x = 2,258,700,445,226.94/1,394,179.40
  6. Step 6: Final answer
    x = 1,620,093.11

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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.