Home / 1,540,342.36-2,310,908.82-641,485.36

Finding the Fourth Proportional to 1,540,342.36, 2,310,908.82 and 641,485.36

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Solution

The fourth proportional to 1,540,342.36, 2,310,908.82 and 641,485.36 is: 962,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,342.36 : 2,310,908.82 = 641,485.36 : x
  2. Step 2: Convert to fraction form
    1,540,342.36/2,310,908.82 = 641,485.36/x
  3. Step 3: Cross multiply
    1,540,342.36x = 2,310,908.82 × 641,485.36
  4. Step 4: Simplify right side
    1,540,342.36x = 1,482,414,176,324.88
  5. Step 5: Solve for x
    x = 1,482,414,176,324.88/1,540,342.36
  6. Step 6: Final answer
    x = 962,392.66

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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.