Home / 820,192.60-1,229,252.10-731,027.80

Finding the Fourth Proportional to 820,192.60, 1,229,252.10 and 731,027.80

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Solution

The fourth proportional to 820,192.60, 1,229,252.10 and 731,027.80 is: 1,095,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,192.60 : 1,229,252.10 = 731,027.80 : x
  2. Step 2: Convert to fraction form
    820,192.60/1,229,252.10 = 731,027.80/x
  3. Step 3: Cross multiply
    820,192.60x = 1,229,252.10 × 731,027.80
  4. Step 4: Simplify right side
    820,192.60x = 898,617,458,308.38
  5. Step 5: Solve for x
    x = 898,617,458,308.38/820,192.60
  6. Step 6: Final answer
    x = 1,095,617.61

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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.