Home / 1,376,072.94-1,899,043.80-764,228.56

Finding the Fourth Proportional to 1,376,072.94, 1,899,043.80 and 764,228.56

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Solution

The fourth proportional to 1,376,072.94, 1,899,043.80 and 764,228.56 is: 1,054,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,072.94 : 1,899,043.80 = 764,228.56 : x
  2. Step 2: Convert to fraction form
    1,376,072.94/1,899,043.80 = 764,228.56/x
  3. Step 3: Cross multiply
    1,376,072.94x = 1,899,043.80 × 764,228.56
  4. Step 4: Simplify right side
    1,376,072.94x = 1,451,303,508,650.93
  5. Step 5: Solve for x
    x = 1,451,303,508,650.93/1,376,072.94
  6. Step 6: Final answer
    x = 1,054,670.48

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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.