Home / 1,521,441-2,099,654.19-842,377.50

Finding the Fourth Proportional to 1,521,441, 2,099,654.19 and 842,377.50

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Solution

The fourth proportional to 1,521,441, 2,099,654.19 and 842,377.50 is: 1,162,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,441 : 2,099,654.19 = 842,377.50 : x
  2. Step 2: Convert to fraction form
    1,521,441/2,099,654.19 = 842,377.50/x
  3. Step 3: Cross multiply
    1,521,441x = 2,099,654.19 × 842,377.50
  4. Step 4: Simplify right side
    1,521,441x = 1,768,701,447,436.73
  5. Step 5: Solve for x
    x = 1,768,701,447,436.73/1,521,441
  6. Step 6: Final answer
    x = 1,162,517.28

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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.