Home / 1,248,609.80-1,872,914.70-449,917.40

Finding the Fourth Proportional to 1,248,609.80, 1,872,914.70 and 449,917.40

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Solution

The fourth proportional to 1,248,609.80, 1,872,914.70 and 449,917.40 is: 674,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,609.80 : 1,872,914.70 = 449,917.40 : x
  2. Step 2: Convert to fraction form
    1,248,609.80/1,872,914.70 = 449,917.40/x
  3. Step 3: Cross multiply
    1,248,609.80x = 1,872,914.70 × 449,917.40
  4. Step 4: Simplify right side
    1,248,609.80x = 842,656,912,245.78
  5. Step 5: Solve for x
    x = 842,656,912,245.78/1,248,609.80
  6. Step 6: Final answer
    x = 674,876.10

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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.