Home / 1,163,428.44-1,745,171.81-321,987.48

Finding the Fourth Proportional to 1,163,428.44, 1,745,171.81 and 321,987.48

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Solution

The fourth proportional to 1,163,428.44, 1,745,171.81 and 321,987.48 is: 482,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,428.44 : 1,745,171.81 = 321,987.48 : x
  2. Step 2: Convert to fraction form
    1,163,428.44/1,745,171.81 = 321,987.48/x
  3. Step 3: Cross multiply
    1,163,428.44x = 1,745,171.81 × 321,987.48
  4. Step 4: Simplify right side
    1,163,428.44x = 561,923,473,268.94
  5. Step 5: Solve for x
    x = 561,923,473,268.94/1,163,428.44
  6. Step 6: Final answer
    x = 482,989.29

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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.