Home / 1,321,310.85-1,981,977.99-522,592.47

Finding the Fourth Proportional to 1,321,310.85, 1,981,977.99 and 522,592.47

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Solution

The fourth proportional to 1,321,310.85, 1,981,977.99 and 522,592.47 is: 783,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,310.85 : 1,981,977.99 = 522,592.47 : x
  2. Step 2: Convert to fraction form
    1,321,310.85/1,981,977.99 = 522,592.47/x
  3. Step 3: Cross multiply
    1,321,310.85x = 1,981,977.99 × 522,592.47
  4. Step 4: Simplify right side
    1,321,310.85x = 1,035,766,773,279.74
  5. Step 5: Solve for x
    x = 1,035,766,773,279.74/1,321,310.85
  6. Step 6: Final answer
    x = 783,893.34

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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.