Home / 1,251,774.46-1,727,449.68-678,814.48

Finding the Fourth Proportional to 1,251,774.46, 1,727,449.68 and 678,814.48

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Solution

The fourth proportional to 1,251,774.46, 1,727,449.68 and 678,814.48 is: 936,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,774.46 : 1,727,449.68 = 678,814.48 : x
  2. Step 2: Convert to fraction form
    1,251,774.46/1,727,449.68 = 678,814.48/x
  3. Step 3: Cross multiply
    1,251,774.46x = 1,727,449.68 × 678,814.48
  4. Step 4: Simplify right side
    1,251,774.46x = 1,172,617,856,255.37
  5. Step 5: Solve for x
    x = 1,172,617,856,255.37/1,251,774.46
  6. Step 6: Final answer
    x = 936,764.48

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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.