Home / 1,361,379.77-2,042,081.33-388,741.54

Finding the Fourth Proportional to 1,361,379.77, 2,042,081.33 and 388,741.54

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Solution

The fourth proportional to 1,361,379.77, 2,042,081.33 and 388,741.54 is: 583,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,379.77 : 2,042,081.33 = 388,741.54 : x
  2. Step 2: Convert to fraction form
    1,361,379.77/2,042,081.33 = 388,741.54/x
  3. Step 3: Cross multiply
    1,361,379.77x = 2,042,081.33 × 388,741.54
  4. Step 4: Simplify right side
    1,361,379.77x = 793,841,836,896.10
  5. Step 5: Solve for x
    x = 793,841,836,896.10/1,361,379.77
  6. Step 6: Final answer
    x = 583,115.64

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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.