Home / 1,321,144.96-1,981,210.32-562,505.44

Finding the Fourth Proportional to 1,321,144.96, 1,981,210.32 and 562,505.44

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Solution

The fourth proportional to 1,321,144.96, 1,981,210.32 and 562,505.44 is: 843,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,144.96 : 1,981,210.32 = 562,505.44 : x
  2. Step 2: Convert to fraction form
    1,321,144.96/1,981,210.32 = 562,505.44/x
  3. Step 3: Cross multiply
    1,321,144.96x = 1,981,210.32 × 562,505.44
  4. Step 4: Simplify right side
    1,321,144.96x = 1,114,441,582,784.14
  5. Step 5: Solve for x
    x = 1,114,441,582,784.14/1,321,144.96
  6. Step 6: Final answer
    x = 843,542.24

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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.