Home / 1,406,220.57-1,940,467.46-825,380.91

Finding the Fourth Proportional to 1,406,220.57, 1,940,467.46 and 825,380.91

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Solution

The fourth proportional to 1,406,220.57, 1,940,467.46 and 825,380.91 is: 1,138,957.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,220.57 : 1,940,467.46 = 825,380.91 : x
  2. Step 2: Convert to fraction form
    1,406,220.57/1,940,467.46 = 825,380.91/x
  3. Step 3: Cross multiply
    1,406,220.57x = 1,940,467.46 × 825,380.91
  4. Step 4: Simplify right side
    1,406,220.57x = 1,601,624,793,833.28
  5. Step 5: Solve for x
    x = 1,601,624,793,833.28/1,406,220.57
  6. Step 6: Final answer
    x = 1,138,957.02

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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.