Home / 1,278,450.56-1,764,361.50-734,776.14

Finding the Fourth Proportional to 1,278,450.56, 1,764,361.50 and 734,776.14

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Solution

The fourth proportional to 1,278,450.56, 1,764,361.50 and 734,776.14 is: 1,014,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,450.56 : 1,764,361.50 = 734,776.14 : x
  2. Step 2: Convert to fraction form
    1,278,450.56/1,764,361.50 = 734,776.14/x
  3. Step 3: Cross multiply
    1,278,450.56x = 1,764,361.50 × 734,776.14
  4. Step 4: Simplify right side
    1,278,450.56x = 1,296,410,732,534.61
  5. Step 5: Solve for x
    x = 1,296,410,732,534.61/1,278,450.56
  6. Step 6: Final answer
    x = 1,014,048.39

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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.