Home / 1,215,745.18-1,677,733.60-664,472.04

Finding the Fourth Proportional to 1,215,745.18, 1,677,733.60 and 664,472.04

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Solution

The fourth proportional to 1,215,745.18, 1,677,733.60 and 664,472.04 is: 916,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,745.18 : 1,677,733.60 = 664,472.04 : x
  2. Step 2: Convert to fraction form
    1,215,745.18/1,677,733.60 = 664,472.04/x
  3. Step 3: Cross multiply
    1,215,745.18x = 1,677,733.60 × 664,472.04
  4. Step 4: Simplify right side
    1,215,745.18x = 1,114,807,067,768.54
  5. Step 5: Solve for x
    x = 1,114,807,067,768.54/1,215,745.18
  6. Step 6: Final answer
    x = 916,974.29

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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.