Home / 1,468,132.78-2,201,487.20-861,119.45

Finding the Fourth Proportional to 1,468,132.78, 2,201,487.20 and 861,119.45

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Solution

The fourth proportional to 1,468,132.78, 2,201,487.20 and 861,119.45 is: 1,291,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468,132.78 : 2,201,487.20 = 861,119.45 : x
  2. Step 2: Convert to fraction form
    1,468,132.78/2,201,487.20 = 861,119.45/x
  3. Step 3: Cross multiply
    1,468,132.78x = 2,201,487.20 × 861,119.45
  4. Step 4: Simplify right side
    1,468,132.78x = 1,895,743,446,846.04
  5. Step 5: Solve for x
    x = 1,895,743,446,846.04/1,468,132.78
  6. Step 6: Final answer
    x = 1,291,261.58

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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.