Home / 1,252,906.81-1,728,712.44-762,870.58

Finding the Fourth Proportional to 1,252,906.81, 1,728,712.44 and 762,870.58

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Solution

The fourth proportional to 1,252,906.81, 1,728,712.44 and 762,870.58 is: 1,052,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,906.81 : 1,728,712.44 = 762,870.58 : x
  2. Step 2: Convert to fraction form
    1,252,906.81/1,728,712.44 = 762,870.58/x
  3. Step 3: Cross multiply
    1,252,906.81x = 1,728,712.44 × 762,870.58
  4. Step 4: Simplify right side
    1,252,906.81x = 1,318,783,861,756.02
  5. Step 5: Solve for x
    x = 1,318,783,861,756.02/1,252,906.81
  6. Step 6: Final answer
    x = 1,052,579.37

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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.