Home / 1,144,978.88-1,580,009.15-635,648.45

Finding the Fourth Proportional to 1,144,978.88, 1,580,009.15 and 635,648.45

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Solution

The fourth proportional to 1,144,978.88, 1,580,009.15 and 635,648.45 is: 877,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,978.88 : 1,580,009.15 = 635,648.45 : x
  2. Step 2: Convert to fraction form
    1,144,978.88/1,580,009.15 = 635,648.45/x
  3. Step 3: Cross multiply
    1,144,978.88x = 1,580,009.15 × 635,648.45
  4. Step 4: Simplify right side
    1,144,978.88x = 1,004,330,356,105.03
  5. Step 5: Solve for x
    x = 1,004,330,356,105.03/1,144,978.88
  6. Step 6: Final answer
    x = 877,160.60

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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.