Home / 1,580,369.91-2,180,910.43-855,217.62

Finding the Fourth Proportional to 1,580,369.91, 2,180,910.43 and 855,217.62

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Solution

The fourth proportional to 1,580,369.91, 2,180,910.43 and 855,217.62 is: 1,180,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,369.91 : 2,180,910.43 = 855,217.62 : x
  2. Step 2: Convert to fraction form
    1,580,369.91/2,180,910.43 = 855,217.62/x
  3. Step 3: Cross multiply
    1,580,369.91x = 2,180,910.43 × 855,217.62
  4. Step 4: Simplify right side
    1,580,369.91x = 1,865,153,028,446.80
  5. Step 5: Solve for x
    x = 1,865,153,028,446.80/1,580,369.91
  6. Step 6: Final answer
    x = 1,180,200.29

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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.