Home / 1,122,311.44-1,684,137.92-412,411.24

Finding the Fourth Proportional to 1,122,311.44, 1,684,137.92 and 412,411.24

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Solution

The fourth proportional to 1,122,311.44, 1,684,137.92 and 412,411.24 is: 618,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,311.44 : 1,684,137.92 = 412,411.24 : x
  2. Step 2: Convert to fraction form
    1,122,311.44/1,684,137.92 = 412,411.24/x
  3. Step 3: Cross multiply
    1,122,311.44x = 1,684,137.92 × 412,411.24
  4. Step 4: Simplify right side
    1,122,311.44x = 694,557,407,918.22
  5. Step 5: Solve for x
    x = 694,557,407,918.22/1,122,311.44
  6. Step 6: Final answer
    x = 618,863.34

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1.5x scale

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.