Home / 1,151,720.64-1,727,912.97-353,120.04

Finding the Fourth Proportional to 1,151,720.64, 1,727,912.97 and 353,120.04

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Solution

The fourth proportional to 1,151,720.64, 1,727,912.97 and 353,120.04 is: 529,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,720.64 : 1,727,912.97 = 353,120.04 : x
  2. Step 2: Convert to fraction form
    1,151,720.64/1,727,912.97 = 353,120.04/x
  3. Step 3: Cross multiply
    1,151,720.64x = 1,727,912.97 × 353,120.04
  4. Step 4: Simplify right side
    1,151,720.64x = 610,160,697,082.92
  5. Step 5: Solve for x
    x = 610,160,697,082.92/1,151,720.64
  6. Step 6: Final answer
    x = 529,781.85

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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.