Home / 1,442,187.64-2,161,756.03-543,240.46

Finding the Fourth Proportional to 1,442,187.64, 2,161,756.03 and 543,240.46

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Solution

The fourth proportional to 1,442,187.64, 2,161,756.03 and 543,240.46 is: 814,286.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,187.64 : 2,161,756.03 = 543,240.46 : x
  2. Step 2: Convert to fraction form
    1,442,187.64/2,161,756.03 = 543,240.46/x
  3. Step 3: Cross multiply
    1,442,187.64x = 2,161,756.03 × 543,240.46
  4. Step 4: Simplify right side
    1,442,187.64x = 1,174,353,340,144.97
  5. Step 5: Solve for x
    x = 1,174,353,340,144.97/1,442,187.64
  6. Step 6: Final answer
    x = 814,286.09

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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.