Home / 1,258,755.75-1,737,083.10-685,795.92

Finding the Fourth Proportional to 1,258,755.75, 1,737,083.10 and 685,795.92

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Solution

The fourth proportional to 1,258,755.75, 1,737,083.10 and 685,795.92 is: 946,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,755.75 : 1,737,083.10 = 685,795.92 : x
  2. Step 2: Convert to fraction form
    1,258,755.75/1,737,083.10 = 685,795.92/x
  3. Step 3: Cross multiply
    1,258,755.75x = 1,737,083.10 × 685,795.92
  4. Step 4: Simplify right side
    1,258,755.75x = 1,191,284,502,680.95
  5. Step 5: Solve for x
    x = 1,191,284,502,680.95/1,258,755.75
  6. Step 6: Final answer
    x = 946,398.46

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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.