Home / 1,081,505.92-1,622,262.43-407,406.31

Finding the Fourth Proportional to 1,081,505.92, 1,622,262.43 and 407,406.31

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Solution

The fourth proportional to 1,081,505.92, 1,622,262.43 and 407,406.31 is: 611,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,505.92 : 1,622,262.43 = 407,406.31 : x
  2. Step 2: Convert to fraction form
    1,081,505.92/1,622,262.43 = 407,406.31/x
  3. Step 3: Cross multiply
    1,081,505.92x = 1,622,262.43 × 407,406.31
  4. Step 4: Simplify right side
    1,081,505.92x = 660,919,950,457.93
  5. Step 5: Solve for x
    x = 660,919,950,457.93/1,081,505.92
  6. Step 6: Final answer
    x = 611,110.80

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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.