Home / 1,081,187.40-1,622,588.94-407,932.68

Finding the Fourth Proportional to 1,081,187.40, 1,622,588.94 and 407,932.68

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Solution

The fourth proportional to 1,081,187.40, 1,622,588.94 and 407,932.68 is: 612,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,187.40 : 1,622,588.94 = 407,932.68 : x
  2. Step 2: Convert to fraction form
    1,081,187.40/1,622,588.94 = 407,932.68/x
  3. Step 3: Cross multiply
    1,081,187.40x = 1,622,588.94 × 407,932.68
  4. Step 4: Simplify right side
    1,081,187.40x = 661,907,054,832.56
  5. Step 5: Solve for x
    x = 661,907,054,832.56/1,081,187.40
  6. Step 6: Final answer
    x = 612,203.82

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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.