Home / 1,379,147.96-2,068,722.30-381,875.96

Finding the Fourth Proportional to 1,379,147.96, 2,068,722.30 and 381,875.96

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Solution

The fourth proportional to 1,379,147.96, 2,068,722.30 and 381,875.96 is: 572,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,147.96 : 2,068,722.30 = 381,875.96 : x
  2. Step 2: Convert to fraction form
    1,379,147.96/2,068,722.30 = 381,875.96/x
  3. Step 3: Cross multiply
    1,379,147.96x = 2,068,722.30 × 381,875.96
  4. Step 4: Simplify right side
    1,379,147.96x = 789,995,314,285.91
  5. Step 5: Solve for x
    x = 789,995,314,285.91/1,379,147.96
  6. Step 6: Final answer
    x = 572,814.04

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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.