Home / 1,108,037.20-1,661,569.80-508,799.20

Finding the Fourth Proportional to 1,108,037.20, 1,661,569.80 and 508,799.20

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Solution

The fourth proportional to 1,108,037.20, 1,661,569.80 and 508,799.20 is: 762,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,037.20 : 1,661,569.80 = 508,799.20 : x
  2. Step 2: Convert to fraction form
    1,108,037.20/1,661,569.80 = 508,799.20/x
  3. Step 3: Cross multiply
    1,108,037.20x = 1,661,569.80 × 508,799.20
  4. Step 4: Simplify right side
    1,108,037.20x = 845,405,384,984.16
  5. Step 5: Solve for x
    x = 845,405,384,984.16/1,108,037.20
  6. Step 6: Final answer
    x = 762,975.63

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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.