Home / 1,311,052.44-1,809,247.14-738,093.72

Finding the Fourth Proportional to 1,311,052.44, 1,809,247.14 and 738,093.72

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Solution

The fourth proportional to 1,311,052.44, 1,809,247.14 and 738,093.72 is: 1,018,566.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,052.44 : 1,809,247.14 = 738,093.72 : x
  2. Step 2: Convert to fraction form
    1,311,052.44/1,809,247.14 = 738,093.72/x
  3. Step 3: Cross multiply
    1,311,052.44x = 1,809,247.14 × 738,093.72
  4. Step 4: Simplify right side
    1,311,052.44x = 1,335,393,951,961.96
  5. Step 5: Solve for x
    x = 1,335,393,951,961.96/1,311,052.44
  6. Step 6: Final answer
    x = 1,018,566.39

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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.