Home / 1,248,469.32-1,872,719.84-438,821.04

Finding the Fourth Proportional to 1,248,469.32, 1,872,719.84 and 438,821.04

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Solution

The fourth proportional to 1,248,469.32, 1,872,719.84 and 438,821.04 is: 658,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,469.32 : 1,872,719.84 = 438,821.04 : x
  2. Step 2: Convert to fraction form
    1,248,469.32/1,872,719.84 = 438,821.04/x
  3. Step 3: Cross multiply
    1,248,469.32x = 1,872,719.84 × 438,821.04
  4. Step 4: Simplify right side
    1,248,469.32x = 821,788,867,817.43
  5. Step 5: Solve for x
    x = 821,788,867,817.43/1,248,469.32
  6. Step 6: Final answer
    x = 658,237.13

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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.