Home / 1,503,821.38-2,255,694.58-438,872.68

Finding the Fourth Proportional to 1,503,821.38, 2,255,694.58 and 438,872.68

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Solution

The fourth proportional to 1,503,821.38, 2,255,694.58 and 438,872.68 is: 658,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,821.38 : 2,255,694.58 = 438,872.68 : x
  2. Step 2: Convert to fraction form
    1,503,821.38/2,255,694.58 = 438,872.68/x
  3. Step 3: Cross multiply
    1,503,821.38x = 2,255,694.58 × 438,872.68
  4. Step 4: Simplify right side
    1,503,821.38x = 989,962,725,586.08
  5. Step 5: Solve for x
    x = 989,962,725,586.08/1,503,821.38
  6. Step 6: Final answer
    x = 658,298.08

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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.