Home / 1,278,194.72-1,764,064.96-734,329.60

Finding the Fourth Proportional to 1,278,194.72, 1,764,064.96 and 734,329.60

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Solution

The fourth proportional to 1,278,194.72, 1,764,064.96 and 734,329.60 is: 1,013,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,194.72 : 1,764,064.96 = 734,329.60 : x
  2. Step 2: Convert to fraction form
    1,278,194.72/1,764,064.96 = 734,329.60/x
  3. Step 3: Cross multiply
    1,278,194.72x = 1,764,064.96 × 734,329.60
  4. Step 4: Simplify right side
    1,278,194.72x = 1,295,405,116,450.82
  5. Step 5: Solve for x
    x = 1,295,405,116,450.82/1,278,194.72
  6. Step 6: Final answer
    x = 1,013,464.61

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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.