Home / 1,521,686.88-2,099,994.30-842,623.38

Finding the Fourth Proportional to 1,521,686.88, 2,099,994.30 and 842,623.38

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Solution

The fourth proportional to 1,521,686.88, 2,099,994.30 and 842,623.38 is: 1,162,857.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,686.88 : 2,099,994.30 = 842,623.38 : x
  2. Step 2: Convert to fraction form
    1,521,686.88/2,099,994.30 = 842,623.38/x
  3. Step 3: Cross multiply
    1,521,686.88x = 2,099,994.30 × 842,623.38
  4. Step 4: Simplify right side
    1,521,686.88x = 1,769,504,295,046.73
  5. Step 5: Solve for x
    x = 1,769,504,295,046.73/1,521,686.88
  6. Step 6: Final answer
    x = 1,162,857.04

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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.