Home / 1,686,847.05-2,530,401.80-488,786.58

Finding the Fourth Proportional to 1,686,847.05, 2,530,401.80 and 488,786.58

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Solution

The fourth proportional to 1,686,847.05, 2,530,401.80 and 488,786.58 is: 733,217.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,847.05 : 2,530,401.80 = 488,786.58 : x
  2. Step 2: Convert to fraction form
    1,686,847.05/2,530,401.80 = 488,786.58/x
  3. Step 3: Cross multiply
    1,686,847.05x = 2,530,401.80 × 488,786.58
  4. Step 4: Simplify right side
    1,686,847.05x = 1,236,826,439,403.91
  5. Step 5: Solve for x
    x = 1,236,826,439,403.91/1,686,847.05
  6. Step 6: Final answer
    x = 733,217.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.