Home / 1,478,893.09-2,040,872.47-799,829.59

Finding the Fourth Proportional to 1,478,893.09, 2,040,872.47 and 799,829.59

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Solution

The fourth proportional to 1,478,893.09, 2,040,872.47 and 799,829.59 is: 1,103,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,893.09 : 2,040,872.47 = 799,829.59 : x
  2. Step 2: Convert to fraction form
    1,478,893.09/2,040,872.47 = 799,829.59/x
  3. Step 3: Cross multiply
    1,478,893.09x = 2,040,872.47 × 799,829.59
  4. Step 4: Simplify right side
    1,478,893.09x = 1,632,350,190,922.39
  5. Step 5: Solve for x
    x = 1,632,350,190,922.39/1,478,893.09
  6. Step 6: Final answer
    x = 1,103,764.84

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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.