Home / 820,205.80-1,230,308.70-737,537.20

Finding the Fourth Proportional to 820,205.80, 1,230,308.70 and 737,537.20

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Solution

The fourth proportional to 820,205.80, 1,230,308.70 and 737,537.20 is: 1,106,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,205.80 : 1,230,308.70 = 737,537.20 : x
  2. Step 2: Convert to fraction form
    820,205.80/1,230,308.70 = 737,537.20/x
  3. Step 3: Cross multiply
    820,205.80x = 1,230,308.70 × 737,537.20
  4. Step 4: Simplify right side
    820,205.80x = 907,398,433,733.64
  5. Step 5: Solve for x
    x = 907,398,433,733.64/820,205.80
  6. Step 6: Final answer
    x = 1,106,305.80

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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.