Home / 1,327,722.40-1,991,579.76-330,450.08

Finding the Fourth Proportional to 1,327,722.40, 1,991,579.76 and 330,450.08

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Solution

The fourth proportional to 1,327,722.40, 1,991,579.76 and 330,450.08 is: 495,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,722.40 : 1,991,579.76 = 330,450.08 : x
  2. Step 2: Convert to fraction form
    1,327,722.40/1,991,579.76 = 330,450.08/x
  3. Step 3: Cross multiply
    1,327,722.40x = 1,991,579.76 × 330,450.08
  4. Step 4: Simplify right side
    1,327,722.40x = 658,117,691,018.38
  5. Step 5: Solve for x
    x = 658,117,691,018.38/1,327,722.40
  6. Step 6: Final answer
    x = 495,674.16

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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.