Home / 1,322,747.65-1,825,451.79-778,906.36

Finding the Fourth Proportional to 1,322,747.65, 1,825,451.79 and 778,906.36

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Solution

The fourth proportional to 1,322,747.65, 1,825,451.79 and 778,906.36 is: 1,074,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,747.65 : 1,825,451.79 = 778,906.36 : x
  2. Step 2: Convert to fraction form
    1,322,747.65/1,825,451.79 = 778,906.36/x
  3. Step 3: Cross multiply
    1,322,747.65x = 1,825,451.79 × 778,906.36
  4. Step 4: Simplify right side
    1,322,747.65x = 1,421,856,012,846.65
  5. Step 5: Solve for x
    x = 1,421,856,012,846.65/1,322,747.65
  6. Step 6: Final answer
    x = 1,074,926.13

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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.