Home / 1,231,797.12-1,687,533.81-1,185,743.59

Finding the Fourth Proportional to 1,231,797.12, 1,687,533.81 and 1,185,743.59

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Solution

The fourth proportional to 1,231,797.12, 1,687,533.81 and 1,185,743.59 is: 1,624,441.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,797.12 : 1,687,533.81 = 1,185,743.59 : x
  2. Step 2: Convert to fraction form
    1,231,797.12/1,687,533.81 = 1,185,743.59/x
  3. Step 3: Cross multiply
    1,231,797.12x = 1,687,533.81 × 1,185,743.59
  4. Step 4: Simplify right side
    1,231,797.12x = 2,000,982,398,115.78
  5. Step 5: Solve for x
    x = 2,000,982,398,115.78/1,231,797.12
  6. Step 6: Final answer
    x = 1,624,441.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.