Home / 1,376,142.44-1,899,124.96-764,306.64

Finding the Fourth Proportional to 1,376,142.44, 1,899,124.96 and 764,306.64

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Solution

The fourth proportional to 1,376,142.44, 1,899,124.96 and 764,306.64 is: 1,054,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,142.44 : 1,899,124.96 = 764,306.64 : x
  2. Step 2: Convert to fraction form
    1,376,142.44/1,899,124.96 = 764,306.64/x
  3. Step 3: Cross multiply
    1,376,142.44x = 1,899,124.96 × 764,306.64
  4. Step 4: Simplify right side
    1,376,142.44x = 1,451,513,817,117.73
  5. Step 5: Solve for x
    x = 1,451,513,817,117.73/1,376,142.44
  6. Step 6: Final answer
    x = 1,054,770.04

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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.