Home / 1,215,732.74-1,677,942.99-801,542.27

Finding the Fourth Proportional to 1,215,732.74, 1,677,942.99 and 801,542.27

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Solution

The fourth proportional to 1,215,732.74, 1,677,942.99 and 801,542.27 is: 1,106,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,732.74 : 1,677,942.99 = 801,542.27 : x
  2. Step 2: Convert to fraction form
    1,215,732.74/1,677,942.99 = 801,542.27/x
  3. Step 3: Cross multiply
    1,215,732.74x = 1,677,942.99 × 801,542.27
  4. Step 4: Simplify right side
    1,215,732.74x = 1,344,942,224,745.47
  5. Step 5: Solve for x
    x = 1,344,942,224,745.47/1,215,732.74
  6. Step 6: Final answer
    x = 1,106,281.16

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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.