Home / 1,302,738.12-1,951,219.98-1,000,997.64

Finding the Fourth Proportional to 1,302,738.12, 1,951,219.98 and 1,000,997.64

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Solution

The fourth proportional to 1,302,738.12, 1,951,219.98 and 1,000,997.64 is: 1,499,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,738.12 : 1,951,219.98 = 1,000,997.64 : x
  2. Step 2: Convert to fraction form
    1,302,738.12/1,951,219.98 = 1,000,997.64/x
  3. Step 3: Cross multiply
    1,302,738.12x = 1,951,219.98 × 1,000,997.64
  4. Step 4: Simplify right side
    1,302,738.12x = 1,953,166,595,100.85
  5. Step 5: Solve for x
    x = 1,953,166,595,100.85/1,302,738.12
  6. Step 6: Final answer
    x = 1,499,277.99

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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.