Home / 1,800,602.78-2,700,906.86-735,645.87

Finding the Fourth Proportional to 1,800,602.78, 2,700,906.86 and 735,645.87

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Solution

The fourth proportional to 1,800,602.78, 2,700,906.86 and 735,645.87 is: 1,103,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,602.78 : 2,700,906.86 = 735,645.87 : x
  2. Step 2: Convert to fraction form
    1,800,602.78/2,700,906.86 = 735,645.87/x
  3. Step 3: Cross multiply
    1,800,602.78x = 2,700,906.86 × 735,645.87
  4. Step 4: Simplify right side
    1,800,602.78x = 1,986,910,978,652.78
  5. Step 5: Solve for x
    x = 1,986,910,978,652.78/1,800,602.78
  6. Step 6: Final answer
    x = 1,103,469.91

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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.