Home / 1,323,792.56-1,984,306.44-648,939.44

Finding the Fourth Proportional to 1,323,792.56, 1,984,306.44 and 648,939.44

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Solution

The fourth proportional to 1,323,792.56, 1,984,306.44 and 648,939.44 is: 972,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,792.56 : 1,984,306.44 = 648,939.44 : x
  2. Step 2: Convert to fraction form
    1,323,792.56/1,984,306.44 = 648,939.44/x
  3. Step 3: Cross multiply
    1,323,792.56x = 1,984,306.44 × 648,939.44
  4. Step 4: Simplify right side
    1,323,792.56x = 1,287,694,709,961.99
  5. Step 5: Solve for x
    x = 1,287,694,709,961.99/1,323,792.56
  6. Step 6: Final answer
    x = 972,731.49

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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.