Home / 989,268.42-1,481,982.51-729,133.06

Finding the Fourth Proportional to 989,268.42, 1,481,982.51 and 729,133.06

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Solution

The fourth proportional to 989,268.42, 1,481,982.51 and 729,133.06 is: 1,092,284.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,268.42 : 1,481,982.51 = 729,133.06 : x
  2. Step 2: Convert to fraction form
    989,268.42/1,481,982.51 = 729,133.06/x
  3. Step 3: Cross multiply
    989,268.42x = 1,481,982.51 × 729,133.06
  4. Step 4: Simplify right side
    989,268.42x = 1,080,562,442,382.78
  5. Step 5: Solve for x
    x = 1,080,562,442,382.78/989,268.42
  6. Step 6: Final answer
    x = 1,092,284.38

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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.