Home / 1,248,767.89-1,872,003.66-449,854.05

Finding the Fourth Proportional to 1,248,767.89, 1,872,003.66 and 449,854.05

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Solution

The fourth proportional to 1,248,767.89, 1,872,003.66 and 449,854.05 is: 674,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,767.89 : 1,872,003.66 = 449,854.05 : x
  2. Step 2: Convert to fraction form
    1,248,767.89/1,872,003.66 = 449,854.05/x
  3. Step 3: Cross multiply
    1,248,767.89x = 1,872,003.66 × 449,854.05
  4. Step 4: Simplify right side
    1,248,767.89x = 842,128,433,398.88
  5. Step 5: Solve for x
    x = 842,128,433,398.88/1,248,767.89
  6. Step 6: Final answer
    x = 674,367.46

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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.