Home / 1,231,644.23-1,700,468.79-1,102,358.82

Finding the Fourth Proportional to 1,231,644.23, 1,700,468.79 and 1,102,358.82

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Solution

The fourth proportional to 1,231,644.23, 1,700,468.79 and 1,102,358.82 is: 1,521,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,644.23 : 1,700,468.79 = 1,102,358.82 : x
  2. Step 2: Convert to fraction form
    1,231,644.23/1,700,468.79 = 1,102,358.82/x
  3. Step 3: Cross multiply
    1,231,644.23x = 1,700,468.79 × 1,102,358.82
  4. Step 4: Simplify right side
    1,231,644.23x = 1,874,526,768,791.23
  5. Step 5: Solve for x
    x = 1,874,526,768,791.23/1,231,644.23
  6. Step 6: Final answer
    x = 1,521,970.98

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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.