Home / 1,438,696.82-1,985,401.73-794,117.18

Finding the Fourth Proportional to 1,438,696.82, 1,985,401.73 and 794,117.18

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Solution

The fourth proportional to 1,438,696.82, 1,985,401.73 and 794,117.18 is: 1,095,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,696.82 : 1,985,401.73 = 794,117.18 : x
  2. Step 2: Convert to fraction form
    1,438,696.82/1,985,401.73 = 794,117.18/x
  3. Step 3: Cross multiply
    1,438,696.82x = 1,985,401.73 × 794,117.18
  4. Step 4: Simplify right side
    1,438,696.82x = 1,576,641,629,943.52
  5. Step 5: Solve for x
    x = 1,576,641,629,943.52/1,438,696.82
  6. Step 6: Final answer
    x = 1,095,881.78

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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.