Home / 1,321,112.92-1,981,162.32-562,473.40

Finding the Fourth Proportional to 1,321,112.92, 1,981,162.32 and 562,473.40

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Solution

The fourth proportional to 1,321,112.92, 1,981,162.32 and 562,473.40 is: 843,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,112.92 : 1,981,162.32 = 562,473.40 : x
  2. Step 2: Convert to fraction form
    1,321,112.92/1,981,162.32 = 562,473.40/x
  3. Step 3: Cross multiply
    1,321,112.92x = 1,981,162.32 × 562,473.40
  4. Step 4: Simplify right side
    1,321,112.92x = 1,114,351,106,082.29
  5. Step 5: Solve for x
    x = 1,114,351,106,082.29/1,321,112.92
  6. Step 6: Final answer
    x = 843,494.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.