Home / 1,311,910.03-1,968,022.68-1,240,165.48

Finding the Fourth Proportional to 1,311,910.03, 1,968,022.68 and 1,240,165.48

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Solution

The fourth proportional to 1,311,910.03, 1,968,022.68 and 1,240,165.48 is: 1,860,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,910.03 : 1,968,022.68 = 1,240,165.48 : x
  2. Step 2: Convert to fraction form
    1,311,910.03/1,968,022.68 = 1,240,165.48/x
  3. Step 3: Cross multiply
    1,311,910.03x = 1,968,022.68 × 1,240,165.48
  4. Step 4: Simplify right side
    1,311,910.03x = 2,440,673,791,593.09
  5. Step 5: Solve for x
    x = 2,440,673,791,593.09/1,311,910.03
  6. Step 6: Final answer
    x = 1,860,397.23

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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.