Home / 820,203.80-1,230,305.70-737,535.20

Finding the Fourth Proportional to 820,203.80, 1,230,305.70 and 737,535.20

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Solution

The fourth proportional to 820,203.80, 1,230,305.70 and 737,535.20 is: 1,106,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,203.80 : 1,230,305.70 = 737,535.20 : x
  2. Step 2: Convert to fraction form
    820,203.80/1,230,305.70 = 737,535.20/x
  3. Step 3: Cross multiply
    820,203.80x = 1,230,305.70 × 737,535.20
  4. Step 4: Simplify right side
    820,203.80x = 907,393,760,510.64
  5. Step 5: Solve for x
    x = 907,393,760,510.64/820,203.80
  6. Step 6: Final answer
    x = 1,106,302.80

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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.