Home / 1,189,123.90-1,783,748.04-336,257.96

Finding the Fourth Proportional to 1,189,123.90, 1,783,748.04 and 336,257.96

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Solution

The fourth proportional to 1,189,123.90, 1,783,748.04 and 336,257.96 is: 504,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,123.90 : 1,783,748.04 = 336,257.96 : x
  2. Step 2: Convert to fraction form
    1,189,123.90/1,783,748.04 = 336,257.96/x
  3. Step 3: Cross multiply
    1,189,123.90x = 1,783,748.04 × 336,257.96
  4. Step 4: Simplify right side
    1,189,123.90x = 599,799,477,084.40
  5. Step 5: Solve for x
    x = 599,799,477,084.40/1,189,123.90
  6. Step 6: Final answer
    x = 504,404.53

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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.