Home / 1,195,025.34-1,647,267.56-812,387.82

Finding the Fourth Proportional to 1,195,025.34, 1,647,267.56 and 812,387.82

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Solution

The fourth proportional to 1,195,025.34, 1,647,267.56 and 812,387.82 is: 1,119,825.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,025.34 : 1,647,267.56 = 812,387.82 : x
  2. Step 2: Convert to fraction form
    1,195,025.34/1,647,267.56 = 812,387.82/x
  3. Step 3: Cross multiply
    1,195,025.34x = 1,647,267.56 × 812,387.82
  4. Step 4: Simplify right side
    1,195,025.34x = 1,338,220,102,025.12
  5. Step 5: Solve for x
    x = 1,338,220,102,025.12/1,195,025.34
  6. Step 6: Final answer
    x = 1,119,825.71

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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.