Home / 1,380,257.94-1,904,559.96-768,325.74

Finding the Fourth Proportional to 1,380,257.94, 1,904,559.96 and 768,325.74

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Solution

The fourth proportional to 1,380,257.94, 1,904,559.96 and 768,325.74 is: 1,060,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,257.94 : 1,904,559.96 = 768,325.74 : x
  2. Step 2: Convert to fraction form
    1,380,257.94/1,904,559.96 = 768,325.74/x
  3. Step 3: Cross multiply
    1,380,257.94x = 1,904,559.96 × 768,325.74
  4. Step 4: Simplify right side
    1,380,257.94x = 1,463,322,440,641.37
  5. Step 5: Solve for x
    x = 1,463,322,440,641.37/1,380,257.94
  6. Step 6: Final answer
    x = 1,060,180.42

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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.