Home / 1,659,992.74-2,290,832.69-934,865.55

Finding the Fourth Proportional to 1,659,992.74, 2,290,832.69 and 934,865.55

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Solution

The fourth proportional to 1,659,992.74, 2,290,832.69 and 934,865.55 is: 1,290,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,992.74 : 2,290,832.69 = 934,865.55 : x
  2. Step 2: Convert to fraction form
    1,659,992.74/2,290,832.69 = 934,865.55/x
  3. Step 3: Cross multiply
    1,659,992.74x = 2,290,832.69 × 934,865.55
  4. Step 4: Simplify right side
    1,659,992.74x = 2,141,620,558,020.50
  5. Step 5: Solve for x
    x = 2,141,620,558,020.50/1,659,992.74
  6. Step 6: Final answer
    x = 1,290,138.51

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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.