Home / 1,435,808.25-1,981,428.39-791,251.56

Finding the Fourth Proportional to 1,435,808.25, 1,981,428.39 and 791,251.56

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Solution

The fourth proportional to 1,435,808.25, 1,981,428.39 and 791,251.56 is: 1,091,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,808.25 : 1,981,428.39 = 791,251.56 : x
  2. Step 2: Convert to fraction form
    1,435,808.25/1,981,428.39 = 791,251.56/x
  3. Step 3: Cross multiply
    1,435,808.25x = 1,981,428.39 × 791,251.56
  4. Step 4: Simplify right side
    1,435,808.25x = 1,567,808,304,615.79
  5. Step 5: Solve for x
    x = 1,567,808,304,615.79/1,435,808.25
  6. Step 6: Final answer
    x = 1,091,934.32

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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.