Home / 1,145,057.44-1,580,149.20-635,746.72

Finding the Fourth Proportional to 1,145,057.44, 1,580,149.20 and 635,746.72

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Solution

The fourth proportional to 1,145,057.44, 1,580,149.20 and 635,746.72 is: 877,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,057.44 : 1,580,149.20 = 635,746.72 : x
  2. Step 2: Convert to fraction form
    1,145,057.44/1,580,149.20 = 635,746.72/x
  3. Step 3: Cross multiply
    1,145,057.44x = 1,580,149.20 × 635,746.72
  4. Step 4: Simplify right side
    1,145,057.44x = 1,004,574,671,010.62
  5. Step 5: Solve for x
    x = 1,004,574,671,010.62/1,145,057.44
  6. Step 6: Final answer
    x = 877,313.78

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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.