Home / 1,442,218.90-1,990,874.90-898,623.27

Finding the Fourth Proportional to 1,442,218.90, 1,990,874.90 and 898,623.27

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Solution

The fourth proportional to 1,442,218.90, 1,990,874.90 and 898,623.27 is: 1,240,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,218.90 : 1,990,874.90 = 898,623.27 : x
  2. Step 2: Convert to fraction form
    1,442,218.90/1,990,874.90 = 898,623.27/x
  3. Step 3: Cross multiply
    1,442,218.90x = 1,990,874.90 × 898,623.27
  4. Step 4: Simplify right side
    1,442,218.90x = 1,789,046,512,798.92
  5. Step 5: Solve for x
    x = 1,789,046,512,798.92/1,442,218.90
  6. Step 6: Final answer
    x = 1,240,481.95

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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.