Home / 1,789,243.68-2,681,813.92-888,672.72

Finding the Fourth Proportional to 1,789,243.68, 2,681,813.92 and 888,672.72

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Solution

The fourth proportional to 1,789,243.68, 2,681,813.92 and 888,672.72 is: 1,331,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,243.68 : 2,681,813.92 = 888,672.72 : x
  2. Step 2: Convert to fraction form
    1,789,243.68/2,681,813.92 = 888,672.72/x
  3. Step 3: Cross multiply
    1,789,243.68x = 2,681,813.92 × 888,672.72
  4. Step 4: Simplify right side
    1,789,243.68x = 2,383,254,870,820.26
  5. Step 5: Solve for x
    x = 2,383,254,870,820.26/1,789,243.68
  6. Step 6: Final answer
    x = 1,331,990.10

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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.