Home / 820,173.80-1,230,260.70-737,505.20

Finding the Fourth Proportional to 820,173.80, 1,230,260.70 and 737,505.20

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Solution

The fourth proportional to 820,173.80, 1,230,260.70 and 737,505.20 is: 1,106,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,173.80 : 1,230,260.70 = 737,505.20 : x
  2. Step 2: Convert to fraction form
    820,173.80/1,230,260.70 = 737,505.20/x
  3. Step 3: Cross multiply
    820,173.80x = 1,230,260.70 × 737,505.20
  4. Step 4: Simplify right side
    820,173.80x = 907,323,663,605.64
  5. Step 5: Solve for x
    x = 907,323,663,605.64/820,173.80
  6. Step 6: Final answer
    x = 1,106,257.80

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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.