Home / 1,485,163.31-2,049,529.31-806,099.81

Finding the Fourth Proportional to 1,485,163.31, 2,049,529.31 and 806,099.81

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Solution

The fourth proportional to 1,485,163.31, 2,049,529.31 and 806,099.81 is: 1,112,419.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,163.31 : 2,049,529.31 = 806,099.81 : x
  2. Step 2: Convert to fraction form
    1,485,163.31/2,049,529.31 = 806,099.81/x
  3. Step 3: Cross multiply
    1,485,163.31x = 2,049,529.31 × 806,099.81
  4. Step 4: Simplify right side
    1,485,163.31x = 1,652,125,173,102.29
  5. Step 5: Solve for x
    x = 1,652,125,173,102.29/1,485,163.31
  6. Step 6: Final answer
    x = 1,112,419.87

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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.