Home / 1,221,092.24-1,683,558.65-872,648.82

Finding the Fourth Proportional to 1,221,092.24, 1,683,558.65 and 872,648.82

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Solution

The fourth proportional to 1,221,092.24, 1,683,558.65 and 872,648.82 is: 1,203,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,092.24 : 1,683,558.65 = 872,648.82 : x
  2. Step 2: Convert to fraction form
    1,221,092.24/1,683,558.65 = 872,648.82/x
  3. Step 3: Cross multiply
    1,221,092.24x = 1,683,558.65 × 872,648.82
  4. Step 4: Simplify right side
    1,221,092.24x = 1,469,155,471,504.92
  5. Step 5: Solve for x
    x = 1,469,155,471,504.92/1,221,092.24
  6. Step 6: Final answer
    x = 1,203,148.65

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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.