Home / 1,149,472.69-1,586,321.55-640,175.06

Finding the Fourth Proportional to 1,149,472.69, 1,586,321.55 and 640,175.06

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Solution

The fourth proportional to 1,149,472.69, 1,586,321.55 and 640,175.06 is: 883,469.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,472.69 : 1,586,321.55 = 640,175.06 : x
  2. Step 2: Convert to fraction form
    1,149,472.69/1,586,321.55 = 640,175.06/x
  3. Step 3: Cross multiply
    1,149,472.69x = 1,586,321.55 × 640,175.06
  4. Step 4: Simplify right side
    1,149,472.69x = 1,015,523,497,416.35
  5. Step 5: Solve for x
    x = 1,015,523,497,416.35/1,149,472.69
  6. Step 6: Final answer
    x = 883,469.01

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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.