Home / 879,082.20-1,318,623.30-816,096.60

Finding the Fourth Proportional to 879,082.20, 1,318,623.30 and 816,096.60

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Solution

The fourth proportional to 879,082.20, 1,318,623.30 and 816,096.60 is: 1,224,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,082.20 : 1,318,623.30 = 816,096.60 : x
  2. Step 2: Convert to fraction form
    879,082.20/1,318,623.30 = 816,096.60/x
  3. Step 3: Cross multiply
    879,082.20x = 1,318,623.30 × 816,096.60
  4. Step 4: Simplify right side
    879,082.20x = 1,076,123,991,810.78
  5. Step 5: Solve for x
    x = 1,076,123,991,810.78/879,082.20
  6. Step 6: Final answer
    x = 1,224,144.90

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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.