Home / 1,251,777.42-1,727,453.30-678,817.44

Finding the Fourth Proportional to 1,251,777.42, 1,727,453.30 and 678,817.44

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Solution

The fourth proportional to 1,251,777.42, 1,727,453.30 and 678,817.44 is: 936,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,777.42 : 1,727,453.30 = 678,817.44 : x
  2. Step 2: Convert to fraction form
    1,251,777.42/1,727,453.30 = 678,817.44/x
  3. Step 3: Cross multiply
    1,251,777.42x = 1,727,453.30 × 678,817.44
  4. Step 4: Simplify right side
    1,251,777.42x = 1,172,625,426,825.55
  5. Step 5: Solve for x
    x = 1,172,625,426,825.55/1,251,777.42
  6. Step 6: Final answer
    x = 936,768.32

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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.