Home / 1,678,463.36-2,515,452.96-612,503.36

Finding the Fourth Proportional to 1,678,463.36, 2,515,452.96 and 612,503.36

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Solution

The fourth proportional to 1,678,463.36, 2,515,452.96 and 612,503.36 is: 917,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,463.36 : 2,515,452.96 = 612,503.36 : x
  2. Step 2: Convert to fraction form
    1,678,463.36/2,515,452.96 = 612,503.36/x
  3. Step 3: Cross multiply
    1,678,463.36x = 2,515,452.96 × 612,503.36
  4. Step 4: Simplify right side
    1,678,463.36x = 1,540,723,389,921.95
  5. Step 5: Solve for x
    x = 1,540,723,389,921.95/1,678,463.36
  6. Step 6: Final answer
    x = 917,936.86

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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.