Home / 1,108,600.70-1,530,113.83-720,741.11

Finding the Fourth Proportional to 1,108,600.70, 1,530,113.83 and 720,741.11

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Solution

The fourth proportional to 1,108,600.70, 1,530,113.83 and 720,741.11 is: 994,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,600.70 : 1,530,113.83 = 720,741.11 : x
  2. Step 2: Convert to fraction form
    1,108,600.70/1,530,113.83 = 720,741.11/x
  3. Step 3: Cross multiply
    1,108,600.70x = 1,530,113.83 × 720,741.11
  4. Step 4: Simplify right side
    1,108,600.70x = 1,102,815,930,808.13
  5. Step 5: Solve for x
    x = 1,102,815,930,808.13/1,108,600.70
  6. Step 6: Final answer
    x = 994,781.92

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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.