Home / 1,515,493.26-2,091,383.55-836,429.22

Finding the Fourth Proportional to 1,515,493.26, 2,091,383.55 and 836,429.22

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Solution

The fourth proportional to 1,515,493.26, 2,091,383.55 and 836,429.22 is: 1,154,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,493.26 : 2,091,383.55 = 836,429.22 : x
  2. Step 2: Convert to fraction form
    1,515,493.26/2,091,383.55 = 836,429.22/x
  3. Step 3: Cross multiply
    1,515,493.26x = 2,091,383.55 × 836,429.22
  4. Step 4: Simplify right side
    1,515,493.26x = 1,749,294,311,447.33
  5. Step 5: Solve for x
    x = 1,749,294,311,447.33/1,515,493.26
  6. Step 6: Final answer
    x = 1,154,273.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.