Home / 820,187.60-1,229,244.60-731,022.80

Finding the Fourth Proportional to 820,187.60, 1,229,244.60 and 731,022.80

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Solution

The fourth proportional to 820,187.60, 1,229,244.60 and 731,022.80 is: 1,095,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,187.60 : 1,229,244.60 = 731,022.80 : x
  2. Step 2: Convert to fraction form
    820,187.60/1,229,244.60 = 731,022.80/x
  3. Step 3: Cross multiply
    820,187.60x = 1,229,244.60 × 731,022.80
  4. Step 4: Simplify right side
    820,187.60x = 898,605,829,376.88
  5. Step 5: Solve for x
    x = 898,605,829,376.88/820,187.60
  6. Step 6: Final answer
    x = 1,095,610.11

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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.