Home / 1,248,774.64-1,872,013.78-449,860.80

Finding the Fourth Proportional to 1,248,774.64, 1,872,013.78 and 449,860.80

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Solution

The fourth proportional to 1,248,774.64, 1,872,013.78 and 449,860.80 is: 674,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,774.64 : 1,872,013.78 = 449,860.80 : x
  2. Step 2: Convert to fraction form
    1,248,774.64/1,872,013.78 = 449,860.80/x
  3. Step 3: Cross multiply
    1,248,774.64x = 1,872,013.78 × 449,860.80
  4. Step 4: Simplify right side
    1,248,774.64x = 842,145,624,264.20
  5. Step 5: Solve for x
    x = 842,145,624,264.20/1,248,774.64
  6. Step 6: Final answer
    x = 674,377.59

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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.