Home / 1,521,661.68-2,099,956.41-842,598.18

Finding the Fourth Proportional to 1,521,661.68, 2,099,956.41 and 842,598.18

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Solution

The fourth proportional to 1,521,661.68, 2,099,956.41 and 842,598.18 is: 1,162,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,661.68 : 2,099,956.41 = 842,598.18 : x
  2. Step 2: Convert to fraction form
    1,521,661.68/2,099,956.41 = 842,598.18/x
  3. Step 3: Cross multiply
    1,521,661.68x = 2,099,956.41 × 842,598.18
  4. Step 4: Simplify right side
    1,521,661.68x = 1,769,419,449,145.33
  5. Step 5: Solve for x
    x = 1,769,419,449,145.33/1,521,661.68
  6. Step 6: Final answer
    x = 1,162,820.54

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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.