Home / 1,438,971.36-1,985,728.32-794,377.68

Finding the Fourth Proportional to 1,438,971.36, 1,985,728.32 and 794,377.68

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Solution

The fourth proportional to 1,438,971.36, 1,985,728.32 and 794,377.68 is: 1,096,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,971.36 : 1,985,728.32 = 794,377.68 : x
  2. Step 2: Convert to fraction form
    1,438,971.36/1,985,728.32 = 794,377.68/x
  3. Step 3: Cross multiply
    1,438,971.36x = 1,985,728.32 × 794,377.68
  4. Step 4: Simplify right side
    1,438,971.36x = 1,577,418,255,951.90
  5. Step 5: Solve for x
    x = 1,577,418,255,951.90/1,438,971.36
  6. Step 6: Final answer
    x = 1,096,212.41

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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.