Home / 839,926.80-1,259,890.20-757,258.20

Finding the Fourth Proportional to 839,926.80, 1,259,890.20 and 757,258.20

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Solution

The fourth proportional to 839,926.80, 1,259,890.20 and 757,258.20 is: 1,135,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,926.80 : 1,259,890.20 = 757,258.20 : x
  2. Step 2: Convert to fraction form
    839,926.80/1,259,890.20 = 757,258.20/x
  3. Step 3: Cross multiply
    839,926.80x = 1,259,890.20 × 757,258.20
  4. Step 4: Simplify right side
    839,926.80x = 954,062,185,049.64
  5. Step 5: Solve for x
    x = 954,062,185,049.64/839,926.80
  6. Step 6: Final answer
    x = 1,135,887.30

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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.