Home / 1,410,156.78-1,946,016.36-765,576.98

Finding the Fourth Proportional to 1,410,156.78, 1,946,016.36 and 765,576.98

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Solution

The fourth proportional to 1,410,156.78, 1,946,016.36 and 765,576.98 is: 1,056,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,156.78 : 1,946,016.36 = 765,576.98 : x
  2. Step 2: Convert to fraction form
    1,410,156.78/1,946,016.36 = 765,576.98/x
  3. Step 3: Cross multiply
    1,410,156.78x = 1,946,016.36 × 765,576.98
  4. Step 4: Simplify right side
    1,410,156.78x = 1,489,825,318,189.31
  5. Step 5: Solve for x
    x = 1,489,825,318,189.31/1,410,156.78
  6. Step 6: Final answer
    x = 1,056,496.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.