Home / 1,384,015.44-1,910,074.86-840,025.92

Finding the Fourth Proportional to 1,384,015.44, 1,910,074.86 and 840,025.92

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Solution

The fourth proportional to 1,384,015.44, 1,910,074.86 and 840,025.92 is: 1,159,316.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,015.44 : 1,910,074.86 = 840,025.92 : x
  2. Step 2: Convert to fraction form
    1,384,015.44/1,910,074.86 = 840,025.92/x
  3. Step 3: Cross multiply
    1,384,015.44x = 1,910,074.86 × 840,025.92
  4. Step 4: Simplify right side
    1,384,015.44x = 1,604,512,391,540.37
  5. Step 5: Solve for x
    x = 1,604,512,391,540.37/1,384,015.44
  6. Step 6: Final answer
    x = 1,159,316.83

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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.