Home / 1,248,782.27-1,872,025.16-449,868.40

Finding the Fourth Proportional to 1,248,782.27, 1,872,025.16 and 449,868.40

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Solution

The fourth proportional to 1,248,782.27, 1,872,025.16 and 449,868.40 is: 674,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,782.27 : 1,872,025.16 = 449,868.40 : x
  2. Step 2: Convert to fraction form
    1,248,782.27/1,872,025.16 = 449,868.40/x
  3. Step 3: Cross multiply
    1,248,782.27x = 1,872,025.16 × 449,868.40
  4. Step 4: Simplify right side
    1,248,782.27x = 842,164,956,559.54
  5. Step 5: Solve for x
    x = 842,164,956,559.54/1,248,782.27
  6. Step 6: Final answer
    x = 674,388.95

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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.