Home / 845,020.54-1,267,640.97-445,675.96

Finding the Fourth Proportional to 845,020.54, 1,267,640.97 and 445,675.96

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Solution

The fourth proportional to 845,020.54, 1,267,640.97 and 445,675.96 is: 668,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,020.54 : 1,267,640.97 = 445,675.96 : x
  2. Step 2: Convert to fraction form
    845,020.54/1,267,640.97 = 445,675.96/x
  3. Step 3: Cross multiply
    845,020.54x = 1,267,640.97 × 445,675.96
  4. Step 4: Simplify right side
    845,020.54x = 564,957,106,240.08
  5. Step 5: Solve for x
    x = 564,957,106,240.08/845,020.54
  6. Step 6: Final answer
    x = 668,572.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.