Home / 1,679,761.56-2,519,620.46-417,600.12

Finding the Fourth Proportional to 1,679,761.56, 2,519,620.46 and 417,600.12

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Solution

The fourth proportional to 1,679,761.56, 2,519,620.46 and 417,600.12 is: 626,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,761.56 : 2,519,620.46 = 417,600.12 : x
  2. Step 2: Convert to fraction form
    1,679,761.56/2,519,620.46 = 417,600.12/x
  3. Step 3: Cross multiply
    1,679,761.56x = 2,519,620.46 × 417,600.12
  4. Step 4: Simplify right side
    1,679,761.56x = 1,052,193,806,450.46
  5. Step 5: Solve for x
    x = 1,052,193,806,450.46/1,679,761.56
  6. Step 6: Final answer
    x = 626,394.74

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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.