Home / 1,145,114.70-1,580,109.57-635,718.66

Finding the Fourth Proportional to 1,145,114.70, 1,580,109.57 and 635,718.66

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Solution

The fourth proportional to 1,145,114.70, 1,580,109.57 and 635,718.66 is: 877,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,114.70 : 1,580,109.57 = 635,718.66 : x
  2. Step 2: Convert to fraction form
    1,145,114.70/1,580,109.57 = 635,718.66/x
  3. Step 3: Cross multiply
    1,145,114.70x = 1,580,109.57 × 635,718.66
  4. Step 4: Simplify right side
    1,145,114.70x = 1,004,505,138,493.58
  5. Step 5: Solve for x
    x = 1,004,505,138,493.58/1,145,114.70
  6. Step 6: Final answer
    x = 877,209.19

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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.