Home / 1,302,756.40-1,954,134.60-449,826.40

Finding the Fourth Proportional to 1,302,756.40, 1,954,134.60 and 449,826.40

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Solution

The fourth proportional to 1,302,756.40, 1,954,134.60 and 449,826.40 is: 674,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,756.40 : 1,954,134.60 = 449,826.40 : x
  2. Step 2: Convert to fraction form
    1,302,756.40/1,954,134.60 = 449,826.40/x
  3. Step 3: Cross multiply
    1,302,756.40x = 1,954,134.60 × 449,826.40
  4. Step 4: Simplify right side
    1,302,756.40x = 879,021,332,233.44
  5. Step 5: Solve for x
    x = 879,021,332,233.44/1,302,756.40
  6. Step 6: Final answer
    x = 674,739.60

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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.