Home / 1,428,335.94-2,140,997.60-468,540.92

Finding the Fourth Proportional to 1,428,335.94, 2,140,997.60 and 468,540.92

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Solution

The fourth proportional to 1,428,335.94, 2,140,997.60 and 468,540.92 is: 702,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,335.94 : 2,140,997.60 = 468,540.92 : x
  2. Step 2: Convert to fraction form
    1,428,335.94/2,140,997.60 = 468,540.92/x
  3. Step 3: Cross multiply
    1,428,335.94x = 2,140,997.60 × 468,540.92
  4. Step 4: Simplify right side
    1,428,335.94x = 1,003,144,991,745.64
  5. Step 5: Solve for x
    x = 1,003,144,991,745.64/1,428,335.94
  6. Step 6: Final answer
    x = 702,317.26

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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.