Home / 1,214,201.80-1,821,302.70-1,162,369.90

Finding the Fourth Proportional to 1,214,201.80, 1,821,302.70 and 1,162,369.90

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Solution

The fourth proportional to 1,214,201.80, 1,821,302.70 and 1,162,369.90 is: 1,743,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,201.80 : 1,821,302.70 = 1,162,369.90 : x
  2. Step 2: Convert to fraction form
    1,214,201.80/1,821,302.70 = 1,162,369.90/x
  3. Step 3: Cross multiply
    1,214,201.80x = 1,821,302.70 × 1,162,369.90
  4. Step 4: Simplify right side
    1,214,201.80x = 2,117,027,437,268.73
  5. Step 5: Solve for x
    x = 2,117,027,437,268.73/1,214,201.80
  6. Step 6: Final answer
    x = 1,743,554.85

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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.