Home / 1,419,634.20-1,959,979.50-903,679.32

Finding the Fourth Proportional to 1,419,634.20, 1,959,979.50 and 903,679.32

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Solution

The fourth proportional to 1,419,634.20, 1,959,979.50 and 903,679.32 is: 1,247,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,634.20 : 1,959,979.50 = 903,679.32 : x
  2. Step 2: Convert to fraction form
    1,419,634.20/1,959,979.50 = 903,679.32/x
  3. Step 3: Cross multiply
    1,419,634.20x = 1,959,979.50 × 903,679.32
  4. Step 4: Simplify right side
    1,419,634.20x = 1,771,192,941,773.94
  5. Step 5: Solve for x
    x = 1,771,192,941,773.94/1,419,634.20
  6. Step 6: Final answer
    x = 1,247,640.37

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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.