Home / 1,305,507.84-1,956,687.12-674,077.20

Finding the Fourth Proportional to 1,305,507.84, 1,956,687.12 and 674,077.20

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Solution

The fourth proportional to 1,305,507.84, 1,956,687.12 and 674,077.20 is: 1,010,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,507.84 : 1,956,687.12 = 674,077.20 : x
  2. Step 2: Convert to fraction form
    1,305,507.84/1,956,687.12 = 674,077.20/x
  3. Step 3: Cross multiply
    1,305,507.84x = 1,956,687.12 × 674,077.20
  4. Step 4: Simplify right side
    1,305,507.84x = 1,318,958,175,125.66
  5. Step 5: Solve for x
    x = 1,318,958,175,125.66/1,305,507.84
  6. Step 6: Final answer
    x = 1,010,302.76

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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.