Home / 1,188,224.70-1,783,211.85-478,761.90

Finding the Fourth Proportional to 1,188,224.70, 1,783,211.85 and 478,761.90

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Solution

The fourth proportional to 1,188,224.70, 1,783,211.85 and 478,761.90 is: 718,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,224.70 : 1,783,211.85 = 478,761.90 : x
  2. Step 2: Convert to fraction form
    1,188,224.70/1,783,211.85 = 478,761.90/x
  3. Step 3: Cross multiply
    1,188,224.70x = 1,783,211.85 × 478,761.90
  4. Step 4: Simplify right side
    1,188,224.70x = 853,733,893,408.52
  5. Step 5: Solve for x
    x = 853,733,893,408.52/1,188,224.70
  6. Step 6: Final answer
    x = 718,495.33

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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.