Home / 1,144,979.88-1,580,010.52-635,649.45

Finding the Fourth Proportional to 1,144,979.88, 1,580,010.52 and 635,649.45

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Solution

The fourth proportional to 1,144,979.88, 1,580,010.52 and 635,649.45 is: 877,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,979.88 : 1,580,010.52 = 635,649.45 : x
  2. Step 2: Convert to fraction form
    1,144,979.88/1,580,010.52 = 635,649.45/x
  3. Step 3: Cross multiply
    1,144,979.88x = 1,580,010.52 × 635,649.45
  4. Step 4: Simplify right side
    1,144,979.88x = 1,004,332,818,032.21
  5. Step 5: Solve for x
    x = 1,004,332,818,032.21/1,144,979.88
  6. Step 6: Final answer
    x = 877,161.98

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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.