Home / 1,328,747.57-1,992,629.27-429,956.18

Finding the Fourth Proportional to 1,328,747.57, 1,992,629.27 and 429,956.18

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Solution

The fourth proportional to 1,328,747.57, 1,992,629.27 and 429,956.18 is: 644,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,747.57 : 1,992,629.27 = 429,956.18 : x
  2. Step 2: Convert to fraction form
    1,328,747.57/1,992,629.27 = 429,956.18/x
  3. Step 3: Cross multiply
    1,328,747.57x = 1,992,629.27 × 429,956.18
  4. Step 4: Simplify right side
    1,328,747.57x = 856,743,256,972.46
  5. Step 5: Solve for x
    x = 856,743,256,972.46/1,328,747.57
  6. Step 6: Final answer
    x = 644,775.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.