Home / 1,227,647.76-1,693,695.24-1,225,755.60

Finding the Fourth Proportional to 1,227,647.76, 1,693,695.24 and 1,225,755.60

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Solution

The fourth proportional to 1,227,647.76, 1,693,695.24 and 1,225,755.60 is: 1,691,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,647.76 : 1,693,695.24 = 1,225,755.60 : x
  2. Step 2: Convert to fraction form
    1,227,647.76/1,693,695.24 = 1,225,755.60/x
  3. Step 3: Cross multiply
    1,227,647.76x = 1,693,695.24 × 1,225,755.60
  4. Step 4: Simplify right side
    1,227,647.76x = 2,076,056,425,123.34
  5. Step 5: Solve for x
    x = 2,076,056,425,123.34/1,227,647.76
  6. Step 6: Final answer
    x = 1,691,084.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.