Home / 667,072.80-1,000,609.20-168,436.80

Finding the Fourth Proportional to 667,072.80, 1,000,609.20 and 168,436.80

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Solution

The fourth proportional to 667,072.80, 1,000,609.20 and 168,436.80 is: 252,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,072.80 : 1,000,609.20 = 168,436.80 : x
  2. Step 2: Convert to fraction form
    667,072.80/1,000,609.20 = 168,436.80/x
  3. Step 3: Cross multiply
    667,072.80x = 1,000,609.20 × 168,436.80
  4. Step 4: Simplify right side
    667,072.80x = 168,539,411,698.56
  5. Step 5: Solve for x
    x = 168,539,411,698.56/667,072.80
  6. Step 6: Final answer
    x = 252,655.20

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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.