Home / 1,187,983.28-1,777,718.12-1,028,609.04

Finding the Fourth Proportional to 1,187,983.28, 1,777,718.12 and 1,028,609.04

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Solution

The fourth proportional to 1,187,983.28, 1,777,718.12 and 1,028,609.04 is: 1,539,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,983.28 : 1,777,718.12 = 1,028,609.04 : x
  2. Step 2: Convert to fraction form
    1,187,983.28/1,777,718.12 = 1,028,609.04/x
  3. Step 3: Cross multiply
    1,187,983.28x = 1,777,718.12 × 1,028,609.04
  4. Step 4: Simplify right side
    1,187,983.28x = 1,828,576,928,803.81
  5. Step 5: Solve for x
    x = 1,828,576,928,803.81/1,187,983.28
  6. Step 6: Final answer
    x = 1,539,227.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.