Home / 1,434,276.39-2,150,728.38-835,408.38

Finding the Fourth Proportional to 1,434,276.39, 2,150,728.38 and 835,408.38

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Solution

The fourth proportional to 1,434,276.39, 2,150,728.38 and 835,408.38 is: 1,252,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,276.39 : 2,150,728.38 = 835,408.38 : x
  2. Step 2: Convert to fraction form
    1,434,276.39/2,150,728.38 = 835,408.38/x
  3. Step 3: Cross multiply
    1,434,276.39x = 2,150,728.38 × 835,408.38
  4. Step 4: Simplify right side
    1,434,276.39x = 1,796,736,511,755.82
  5. Step 5: Solve for x
    x = 1,796,736,511,755.82/1,434,276.39
  6. Step 6: Final answer
    x = 1,252,712.88

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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.