Home / 1,376,141.44-1,899,123.58-764,305.64

Finding the Fourth Proportional to 1,376,141.44, 1,899,123.58 and 764,305.64

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Solution

The fourth proportional to 1,376,141.44, 1,899,123.58 and 764,305.64 is: 1,054,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,141.44 : 1,899,123.58 = 764,305.64 : x
  2. Step 2: Convert to fraction form
    1,376,141.44/1,899,123.58 = 764,305.64/x
  3. Step 3: Cross multiply
    1,376,141.44x = 1,899,123.58 × 764,305.64
  4. Step 4: Simplify right side
    1,376,141.44x = 1,451,510,863,250.99
  5. Step 5: Solve for x
    x = 1,451,510,863,250.99/1,376,141.44
  6. Step 6: Final answer
    x = 1,054,768.66

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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.