Home / 1,515,645.75-2,091,591.33-836,582.43

Finding the Fourth Proportional to 1,515,645.75, 2,091,591.33 and 836,582.43

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Solution

The fourth proportional to 1,515,645.75, 2,091,591.33 and 836,582.43 is: 1,154,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,645.75 : 2,091,591.33 = 836,582.43 : x
  2. Step 2: Convert to fraction form
    1,515,645.75/2,091,591.33 = 836,582.43/x
  3. Step 3: Cross multiply
    1,515,645.75x = 2,091,591.33 × 836,582.43
  4. Step 4: Simplify right side
    1,515,645.75x = 1,749,788,557,418.33
  5. Step 5: Solve for x
    x = 1,749,788,557,418.33/1,515,645.75
  6. Step 6: Final answer
    x = 1,154,483.86

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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.