Home / 1,294,422.66-1,782,238.14-1,100,448.72

Finding the Fourth Proportional to 1,294,422.66, 1,782,238.14 and 1,100,448.72

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Solution

The fourth proportional to 1,294,422.66, 1,782,238.14 and 1,100,448.72 is: 1,515,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,422.66 : 1,782,238.14 = 1,100,448.72 : x
  2. Step 2: Convert to fraction form
    1,294,422.66/1,782,238.14 = 1,100,448.72/x
  3. Step 3: Cross multiply
    1,294,422.66x = 1,782,238.14 × 1,100,448.72
  4. Step 4: Simplify right side
    1,294,422.66x = 1,961,261,679,898.18
  5. Step 5: Solve for x
    x = 1,961,261,679,898.18/1,294,422.66
  6. Step 6: Final answer
    x = 1,515,163.28

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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.