Home / 1,376,006.52-1,898,936.19-764,168.94

Finding the Fourth Proportional to 1,376,006.52, 1,898,936.19 and 764,168.94

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Solution

The fourth proportional to 1,376,006.52, 1,898,936.19 and 764,168.94 is: 1,054,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,006.52 : 1,898,936.19 = 764,168.94 : x
  2. Step 2: Convert to fraction form
    1,376,006.52/1,898,936.19 = 764,168.94/x
  3. Step 3: Cross multiply
    1,376,006.52x = 1,898,936.19 × 764,168.94
  4. Step 4: Simplify right side
    1,376,006.52x = 1,451,108,055,439.94
  5. Step 5: Solve for x
    x = 1,451,108,055,439.94/1,376,006.52
  6. Step 6: Final answer
    x = 1,054,579.35

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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.