Home / 1,356,259.17-1,871,661.39-744,469.14

Finding the Fourth Proportional to 1,356,259.17, 1,871,661.39 and 744,469.14

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Solution

The fourth proportional to 1,356,259.17, 1,871,661.39 and 744,469.14 is: 1,027,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,259.17 : 1,871,661.39 = 744,469.14 : x
  2. Step 2: Convert to fraction form
    1,356,259.17/1,871,661.39 = 744,469.14/x
  3. Step 3: Cross multiply
    1,356,259.17x = 1,871,661.39 × 744,469.14
  4. Step 4: Simplify right side
    1,356,259.17x = 1,393,394,145,384.50
  5. Step 5: Solve for x
    x = 1,393,394,145,384.50/1,356,259.17
  6. Step 6: Final answer
    x = 1,027,380.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.