Home / 1,195,025.09-1,647,267.22-812,387.57

Finding the Fourth Proportional to 1,195,025.09, 1,647,267.22 and 812,387.57

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Solution

The fourth proportional to 1,195,025.09, 1,647,267.22 and 812,387.57 is: 1,119,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,025.09 : 1,647,267.22 = 812,387.57 : x
  2. Step 2: Convert to fraction form
    1,195,025.09/1,647,267.22 = 812,387.57/x
  3. Step 3: Cross multiply
    1,195,025.09x = 1,647,267.22 × 812,387.57
  4. Step 4: Simplify right side
    1,195,025.09x = 1,338,219,416,083.65
  5. Step 5: Solve for x
    x = 1,338,219,416,083.65/1,195,025.09
  6. Step 6: Final answer
    x = 1,119,825.37

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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.