Home / 1,296,222.75-1,943,713.06-612,540.63

Finding the Fourth Proportional to 1,296,222.75, 1,943,713.06 and 612,540.63

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Solution

The fourth proportional to 1,296,222.75, 1,943,713.06 and 612,540.63 is: 918,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,222.75 : 1,943,713.06 = 612,540.63 : x
  2. Step 2: Convert to fraction form
    1,296,222.75/1,943,713.06 = 612,540.63/x
  3. Step 3: Cross multiply
    1,296,222.75x = 1,943,713.06 × 612,540.63
  4. Step 4: Simplify right side
    1,296,222.75x = 1,190,603,220,780.28
  5. Step 5: Solve for x
    x = 1,190,603,220,780.28/1,296,222.75
  6. Step 6: Final answer
    x = 918,517.45

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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.