Home / 1,248,772.88-1,872,011.16-449,859.06

Finding the Fourth Proportional to 1,248,772.88, 1,872,011.16 and 449,859.06

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Solution

The fourth proportional to 1,248,772.88, 1,872,011.16 and 449,859.06 is: 674,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,772.88 : 1,872,011.16 = 449,859.06 : x
  2. Step 2: Convert to fraction form
    1,248,772.88/1,872,011.16 = 449,859.06/x
  3. Step 3: Cross multiply
    1,248,772.88x = 1,872,011.16 × 449,859.06
  4. Step 4: Simplify right side
    1,248,772.88x = 842,141,180,747.11
  5. Step 5: Solve for x
    x = 842,141,180,747.11/1,248,772.88
  6. Step 6: Final answer
    x = 674,374.98

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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.