Home / 1,375,936.18-1,898,727.92-764,127.79

Finding the Fourth Proportional to 1,375,936.18, 1,898,727.92 and 764,127.79

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Solution

The fourth proportional to 1,375,936.18, 1,898,727.92 and 764,127.79 is: 1,054,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,936.18 : 1,898,727.92 = 764,127.79 : x
  2. Step 2: Convert to fraction form
    1,375,936.18/1,898,727.92 = 764,127.79/x
  3. Step 3: Cross multiply
    1,375,936.18x = 1,898,727.92 × 764,127.79
  4. Step 4: Simplify right side
    1,375,936.18x = 1,450,870,769,320.90
  5. Step 5: Solve for x
    x = 1,450,870,769,320.90/1,375,936.18
  6. Step 6: Final answer
    x = 1,054,460.80

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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.