Home / 1,229,843.48-1,844,712.09-420,300.18

Finding the Fourth Proportional to 1,229,843.48, 1,844,712.09 and 420,300.18

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Solution

The fourth proportional to 1,229,843.48, 1,844,712.09 and 420,300.18 is: 630,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,843.48 : 1,844,712.09 = 420,300.18 : x
  2. Step 2: Convert to fraction form
    1,229,843.48/1,844,712.09 = 420,300.18/x
  3. Step 3: Cross multiply
    1,229,843.48x = 1,844,712.09 × 420,300.18
  4. Step 4: Simplify right side
    1,229,843.48x = 775,332,823,475.18
  5. Step 5: Solve for x
    x = 775,332,823,475.18/1,229,843.48
  6. Step 6: Final answer
    x = 630,432.12

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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.