Home / 1,511,636.36-2,267,440.43-612,864.45

Finding the Fourth Proportional to 1,511,636.36, 2,267,440.43 and 612,864.45

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Solution

The fourth proportional to 1,511,636.36, 2,267,440.43 and 612,864.45 is: 919,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,636.36 : 2,267,440.43 = 612,864.45 : x
  2. Step 2: Convert to fraction form
    1,511,636.36/2,267,440.43 = 612,864.45/x
  3. Step 3: Cross multiply
    1,511,636.36x = 2,267,440.43 × 612,864.45
  4. Step 4: Simplify right side
    1,511,636.36x = 1,389,633,628,975.39
  5. Step 5: Solve for x
    x = 1,389,633,628,975.39/1,511,636.36
  6. Step 6: Final answer
    x = 919,290.96

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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.