Home / 1,008,369.10-1,512,553.65-509,668.30

Finding the Fourth Proportional to 1,008,369.10, 1,512,553.65 and 509,668.30

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Solution

The fourth proportional to 1,008,369.10, 1,512,553.65 and 509,668.30 is: 764,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,369.10 : 1,512,553.65 = 509,668.30 : x
  2. Step 2: Convert to fraction form
    1,008,369.10/1,512,553.65 = 509,668.30/x
  3. Step 3: Cross multiply
    1,008,369.10x = 1,512,553.65 × 509,668.30
  4. Step 4: Simplify right side
    1,008,369.10x = 770,900,647,454.30
  5. Step 5: Solve for x
    x = 770,900,647,454.30/1,008,369.10
  6. Step 6: Final answer
    x = 764,502.45

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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.