Home / 1,255,011.42-1,731,915.57-682,051.44

Finding the Fourth Proportional to 1,255,011.42, 1,731,915.57 and 682,051.44

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Solution

The fourth proportional to 1,255,011.42, 1,731,915.57 and 682,051.44 is: 941,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,011.42 : 1,731,915.57 = 682,051.44 : x
  2. Step 2: Convert to fraction form
    1,255,011.42/1,731,915.57 = 682,051.44/x
  3. Step 3: Cross multiply
    1,255,011.42x = 1,731,915.57 × 682,051.44
  4. Step 4: Simplify right side
    1,255,011.42x = 1,181,255,508,476.92
  5. Step 5: Solve for x
    x = 1,181,255,508,476.92/1,255,011.42
  6. Step 6: Final answer
    x = 941,230.88

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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.