Home / 1,086,910.12-1,629,840.66-455,654.44

Finding the Fourth Proportional to 1,086,910.12, 1,629,840.66 and 455,654.44

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Solution

The fourth proportional to 1,086,910.12, 1,629,840.66 and 455,654.44 is: 683,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,910.12 : 1,629,840.66 = 455,654.44 : x
  2. Step 2: Convert to fraction form
    1,086,910.12/1,629,840.66 = 455,654.44/x
  3. Step 3: Cross multiply
    1,086,910.12x = 1,629,840.66 × 455,654.44
  4. Step 4: Simplify right side
    1,086,910.12x = 742,644,133,221.53
  5. Step 5: Solve for x
    x = 742,644,133,221.53/1,086,910.12
  6. Step 6: Final answer
    x = 683,261.77

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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.