Home / 1,441,982.72-2,161,635.36-684,180.32

Finding the Fourth Proportional to 1,441,982.72, 2,161,635.36 and 684,180.32

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Solution

The fourth proportional to 1,441,982.72, 2,161,635.36 and 684,180.32 is: 1,025,635.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,982.72 : 2,161,635.36 = 684,180.32 : x
  2. Step 2: Convert to fraction form
    1,441,982.72/2,161,635.36 = 684,180.32/x
  3. Step 3: Cross multiply
    1,441,982.72x = 2,161,635.36 × 684,180.32
  4. Step 4: Simplify right side
    1,441,982.72x = 1,478,948,372,328.12
  5. Step 5: Solve for x
    x = 1,478,948,372,328.12/1,441,982.72
  6. Step 6: Final answer
    x = 1,025,635.29

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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.