Home / 1,422,529.13-1,965,300.62-1,192,730.11

Finding the Fourth Proportional to 1,422,529.13, 1,965,300.62 and 1,192,730.11

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Solution

The fourth proportional to 1,422,529.13, 1,965,300.62 and 1,192,730.11 is: 1,647,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,529.13 : 1,965,300.62 = 1,192,730.11 : x
  2. Step 2: Convert to fraction form
    1,422,529.13/1,965,300.62 = 1,192,730.11/x
  3. Step 3: Cross multiply
    1,422,529.13x = 1,965,300.62 × 1,192,730.11
  4. Step 4: Simplify right side
    1,422,529.13x = 2,344,073,213,798.77
  5. Step 5: Solve for x
    x = 2,344,073,213,798.77/1,422,529.13
  6. Step 6: Final answer
    x = 1,647,820.88

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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.