Home / 1,109,223.20-1,663,834.86-361,269.20

Finding the Fourth Proportional to 1,109,223.20, 1,663,834.86 and 361,269.20

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Solution

The fourth proportional to 1,109,223.20, 1,663,834.86 and 361,269.20 is: 541,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,223.20 : 1,663,834.86 = 361,269.20 : x
  2. Step 2: Convert to fraction form
    1,109,223.20/1,663,834.86 = 361,269.20/x
  3. Step 3: Cross multiply
    1,109,223.20x = 1,663,834.86 × 361,269.20
  4. Step 4: Simplify right side
    1,109,223.20x = 601,092,280,485.14
  5. Step 5: Solve for x
    x = 601,092,280,485.14/1,109,223.20
  6. Step 6: Final answer
    x = 541,903.81

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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.