Home / 1,588,801.20-2,381,646.60-640,906.80

Finding the Fourth Proportional to 1,588,801.20, 2,381,646.60 and 640,906.80

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Solution

The fourth proportional to 1,588,801.20, 2,381,646.60 and 640,906.80 is: 960,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,801.20 : 2,381,646.60 = 640,906.80 : x
  2. Step 2: Convert to fraction form
    1,588,801.20/2,381,646.60 = 640,906.80/x
  3. Step 3: Cross multiply
    1,588,801.20x = 2,381,646.60 × 640,906.80
  4. Step 4: Simplify right side
    1,588,801.20x = 1,526,413,501,136.88
  5. Step 5: Solve for x
    x = 1,526,413,501,136.88/1,588,801.20
  6. Step 6: Final answer
    x = 960,732.85

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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.