Home / 1,086,212.01-1,629,431.76-403,285.73

Finding the Fourth Proportional to 1,086,212.01, 1,629,431.76 and 403,285.73

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Solution

The fourth proportional to 1,086,212.01, 1,629,431.76 and 403,285.73 is: 604,970.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,212.01 : 1,629,431.76 = 403,285.73 : x
  2. Step 2: Convert to fraction form
    1,086,212.01/1,629,431.76 = 403,285.73/x
  3. Step 3: Cross multiply
    1,086,212.01x = 1,629,431.76 × 403,285.73
  4. Step 4: Simplify right side
    1,086,212.01x = 657,126,568,669.63
  5. Step 5: Solve for x
    x = 657,126,568,669.63/1,086,212.01
  6. Step 6: Final answer
    x = 604,970.82

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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.