Home / 1,322,647.62-1,825,422.57-778,834.02

Finding the Fourth Proportional to 1,322,647.62, 1,825,422.57 and 778,834.02

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Solution

The fourth proportional to 1,322,647.62, 1,825,422.57 and 778,834.02 is: 1,074,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,647.62 : 1,825,422.57 = 778,834.02 : x
  2. Step 2: Convert to fraction form
    1,322,647.62/1,825,422.57 = 778,834.02/x
  3. Step 3: Cross multiply
    1,322,647.62x = 1,825,422.57 × 778,834.02
  4. Step 4: Simplify right side
    1,322,647.62x = 1,421,701,198,391.83
  5. Step 5: Solve for x
    x = 1,421,701,198,391.83/1,322,647.62
  6. Step 6: Final answer
    x = 1,074,890.38

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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.