Home / 667,069.45-1,000,631.86-193,754.81

Finding the Fourth Proportional to 667,069.45, 1,000,631.86 and 193,754.81

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Solution

The fourth proportional to 667,069.45, 1,000,631.86 and 193,754.81 is: 290,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,069.45 : 1,000,631.86 = 193,754.81 : x
  2. Step 2: Convert to fraction form
    667,069.45/1,000,631.86 = 193,754.81/x
  3. Step 3: Cross multiply
    667,069.45x = 1,000,631.86 × 193,754.81
  4. Step 4: Simplify right side
    667,069.45x = 193,877,235,914.25
  5. Step 5: Solve for x
    x = 193,877,235,914.25/667,069.45
  6. Step 6: Final answer
    x = 290,640.26

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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.