Home / 1,208,540.41-1,812,811.10-309,982.10

Finding the Fourth Proportional to 1,208,540.41, 1,812,811.10 and 309,982.10

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Solution

The fourth proportional to 1,208,540.41, 1,812,811.10 and 309,982.10 is: 464,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,540.41 : 1,812,811.10 = 309,982.10 : x
  2. Step 2: Convert to fraction form
    1,208,540.41/1,812,811.10 = 309,982.10/x
  3. Step 3: Cross multiply
    1,208,540.41x = 1,812,811.10 × 309,982.10
  4. Step 4: Simplify right side
    1,208,540.41x = 561,938,981,067.34
  5. Step 5: Solve for x
    x = 561,938,981,067.34/1,208,540.41
  6. Step 6: Final answer
    x = 464,973.27

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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.