Home / 969,039.44-1,336,515.72-629,618

Finding the Fourth Proportional to 969,039.44, 1,336,515.72 and 629,618

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Solution

The fourth proportional to 969,039.44, 1,336,515.72 and 629,618 is: 868,379.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,039.44 : 1,336,515.72 = 629,618 : x
  2. Step 2: Convert to fraction form
    969,039.44/1,336,515.72 = 629,618/x
  3. Step 3: Cross multiply
    969,039.44x = 1,336,515.72 × 629,618
  4. Step 4: Simplify right side
    969,039.44x = 841,494,354,594.96
  5. Step 5: Solve for x
    x = 841,494,354,594.96/969,039.44
  6. Step 6: Final answer
    x = 868,379.88

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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.