Home / 1,442,127.21-2,161,665.36-543,180

Finding the Fourth Proportional to 1,442,127.21, 2,161,665.36 and 543,180

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Solution

The fourth proportional to 1,442,127.21, 2,161,665.36 and 543,180 is: 814,195.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,127.21 : 2,161,665.36 = 543,180 : x
  2. Step 2: Convert to fraction form
    1,442,127.21/2,161,665.36 = 543,180/x
  3. Step 3: Cross multiply
    1,442,127.21x = 2,161,665.36 × 543,180
  4. Step 4: Simplify right side
    1,442,127.21x = 1,174,173,390,244.80
  5. Step 5: Solve for x
    x = 1,174,173,390,244.80/1,442,127.21
  6. Step 6: Final answer
    x = 814,195.43

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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.