Home / 1,682,165.72-2,321,359.07-956,997.98

Finding the Fourth Proportional to 1,682,165.72, 2,321,359.07 and 956,997.98

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Solution

The fourth proportional to 1,682,165.72, 2,321,359.07 and 956,997.98 is: 1,320,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,165.72 : 2,321,359.07 = 956,997.98 : x
  2. Step 2: Convert to fraction form
    1,682,165.72/2,321,359.07 = 956,997.98/x
  3. Step 3: Cross multiply
    1,682,165.72x = 2,321,359.07 × 956,997.98
  4. Step 4: Simplify right side
    1,682,165.72x = 2,221,535,938,541.10
  5. Step 5: Solve for x
    x = 2,221,535,938,541.10/1,682,165.72
  6. Step 6: Final answer
    x = 1,320,640.36

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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.