Home / 1,248,774.95-1,872,014.25-449,861.12

Finding the Fourth Proportional to 1,248,774.95, 1,872,014.25 and 449,861.12

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Solution

The fourth proportional to 1,248,774.95, 1,872,014.25 and 449,861.12 is: 674,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,774.95 : 1,872,014.25 = 449,861.12 : x
  2. Step 2: Convert to fraction form
    1,248,774.95/1,872,014.25 = 449,861.12/x
  3. Step 3: Cross multiply
    1,248,774.95x = 1,872,014.25 × 449,861.12
  4. Step 4: Simplify right side
    1,248,774.95x = 842,146,427,160.96
  5. Step 5: Solve for x
    x = 842,146,427,160.96/1,248,774.95
  6. Step 6: Final answer
    x = 674,378.06

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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.