Home / 1,489,672.35-2,232,212.18-1,108,806.30

Finding the Fourth Proportional to 1,489,672.35, 2,232,212.18 and 1,108,806.30

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Solution

The fourth proportional to 1,489,672.35, 2,232,212.18 and 1,108,806.30 is: 1,661,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,672.35 : 2,232,212.18 = 1,108,806.30 : x
  2. Step 2: Convert to fraction form
    1,489,672.35/2,232,212.18 = 1,108,806.30/x
  3. Step 3: Cross multiply
    1,489,672.35x = 2,232,212.18 × 1,108,806.30
  4. Step 4: Simplify right side
    1,489,672.35x = 2,475,090,922,576.70
  5. Step 5: Solve for x
    x = 2,475,090,922,576.70/1,489,672.35
  6. Step 6: Final answer
    x = 1,661,500.21

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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.