Home / 1,087,485.92-1,631,229.96-413,408.96

Finding the Fourth Proportional to 1,087,485.92, 1,631,229.96 and 413,408.96

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Solution

The fourth proportional to 1,087,485.92, 1,631,229.96 and 413,408.96 is: 620,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,485.92 : 1,631,229.96 = 413,408.96 : x
  2. Step 2: Convert to fraction form
    1,087,485.92/1,631,229.96 = 413,408.96/x
  3. Step 3: Cross multiply
    1,087,485.92x = 1,631,229.96 × 413,408.96
  4. Step 4: Simplify right side
    1,087,485.92x = 674,365,081,284.44
  5. Step 5: Solve for x
    x = 674,365,081,284.44/1,087,485.92
  6. Step 6: Final answer
    x = 620,113.85

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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.