Home / 1,442,217.90-1,990,873.52-898,622.27

Finding the Fourth Proportional to 1,442,217.90, 1,990,873.52 and 898,622.27

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Solution

The fourth proportional to 1,442,217.90, 1,990,873.52 and 898,622.27 is: 1,240,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,217.90 : 1,990,873.52 = 898,622.27 : x
  2. Step 2: Convert to fraction form
    1,442,217.90/1,990,873.52 = 898,622.27/x
  3. Step 3: Cross multiply
    1,442,217.90x = 1,990,873.52 × 898,622.27
  4. Step 4: Simplify right side
    1,442,217.90x = 1,789,043,278,213.42
  5. Step 5: Solve for x
    x = 1,789,043,278,213.42/1,442,217.90
  6. Step 6: Final answer
    x = 1,240,480.56

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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.