Home / 1,278,451.56-1,764,362.88-734,777.14

Finding the Fourth Proportional to 1,278,451.56, 1,764,362.88 and 734,777.14

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Solution

The fourth proportional to 1,278,451.56, 1,764,362.88 and 734,777.14 is: 1,014,049.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,451.56 : 1,764,362.88 = 734,777.14 : x
  2. Step 2: Convert to fraction form
    1,278,451.56/1,764,362.88 = 734,777.14/x
  3. Step 3: Cross multiply
    1,278,451.56x = 1,764,362.88 × 734,777.14
  4. Step 4: Simplify right side
    1,278,451.56x = 1,296,413,510,888.56
  5. Step 5: Solve for x
    x = 1,296,413,510,888.56/1,278,451.56
  6. Step 6: Final answer
    x = 1,014,049.77

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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.