Home / 1,331,997.78-1,997,823.54-533,287.16

Finding the Fourth Proportional to 1,331,997.78, 1,997,823.54 and 533,287.16

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Solution

The fourth proportional to 1,331,997.78, 1,997,823.54 and 533,287.16 is: 799,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,997.78 : 1,997,823.54 = 533,287.16 : x
  2. Step 2: Convert to fraction form
    1,331,997.78/1,997,823.54 = 533,287.16/x
  3. Step 3: Cross multiply
    1,331,997.78x = 1,997,823.54 × 533,287.16
  4. Step 4: Simplify right side
    1,331,997.78x = 1,065,413,641,827.75
  5. Step 5: Solve for x
    x = 1,065,413,641,827.75/1,331,997.78
  6. Step 6: Final answer
    x = 799,861.42

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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.