Home / 804,721.80-1,207,082.70-792,280.20

Finding the Fourth Proportional to 804,721.80, 1,207,082.70 and 792,280.20

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Solution

The fourth proportional to 804,721.80, 1,207,082.70 and 792,280.20 is: 1,188,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,721.80 : 1,207,082.70 = 792,280.20 : x
  2. Step 2: Convert to fraction form
    804,721.80/1,207,082.70 = 792,280.20/x
  3. Step 3: Cross multiply
    804,721.80x = 1,207,082.70 × 792,280.20
  4. Step 4: Simplify right side
    804,721.80x = 956,347,722,972.54
  5. Step 5: Solve for x
    x = 956,347,722,972.54/804,721.80
  6. Step 6: Final answer
    x = 1,188,420.30

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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.