Home / 1,286,902.03-1,776,082.30-743,036.91

Finding the Fourth Proportional to 1,286,902.03, 1,776,082.30 and 743,036.91

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Solution

The fourth proportional to 1,286,902.03, 1,776,082.30 and 743,036.91 is: 1,025,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,902.03 : 1,776,082.30 = 743,036.91 : x
  2. Step 2: Convert to fraction form
    1,286,902.03/1,776,082.30 = 743,036.91/x
  3. Step 3: Cross multiply
    1,286,902.03x = 1,776,082.30 × 743,036.91
  4. Step 4: Simplify right side
    1,286,902.03x = 1,319,694,691,502.10
  5. Step 5: Solve for x
    x = 1,319,694,691,502.10/1,286,902.03
  6. Step 6: Final answer
    x = 1,025,481.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.