Home / 1,436,281.35-1,982,067.78-791,712.31

Finding the Fourth Proportional to 1,436,281.35, 1,982,067.78 and 791,712.31

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Solution

The fourth proportional to 1,436,281.35, 1,982,067.78 and 791,712.31 is: 1,092,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,281.35 : 1,982,067.78 = 791,712.31 : x
  2. Step 2: Convert to fraction form
    1,436,281.35/1,982,067.78 = 791,712.31/x
  3. Step 3: Cross multiply
    1,436,281.35x = 1,982,067.78 × 791,712.31
  4. Step 4: Simplify right side
    1,436,281.35x = 1,569,227,460,680.37
  5. Step 5: Solve for x
    x = 1,569,227,460,680.37/1,436,281.35
  6. Step 6: Final answer
    x = 1,092,562.72

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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.