Home / 1,521,646.88-2,099,847.04-842,568.80

Finding the Fourth Proportional to 1,521,646.88, 2,099,847.04 and 842,568.80

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Solution

The fourth proportional to 1,521,646.88, 2,099,847.04 and 842,568.80 is: 1,162,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,646.88 : 2,099,847.04 = 842,568.80 : x
  2. Step 2: Convert to fraction form
    1,521,646.88/2,099,847.04 = 842,568.80/x
  3. Step 3: Cross multiply
    1,521,646.88x = 2,099,847.04 × 842,568.80
  4. Step 4: Simplify right side
    1,521,646.88x = 1,769,265,600,676.35
  5. Step 5: Solve for x
    x = 1,769,265,600,676.35/1,521,646.88
  6. Step 6: Final answer
    x = 1,162,730.74

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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.