Home / 1,086,461.20-1,629,400.20-455,244.40

Finding the Fourth Proportional to 1,086,461.20, 1,629,400.20 and 455,244.40

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Solution

The fourth proportional to 1,086,461.20, 1,629,400.20 and 455,244.40 is: 682,744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,461.20 : 1,629,400.20 = 455,244.40 : x
  2. Step 2: Convert to fraction form
    1,086,461.20/1,629,400.20 = 455,244.40/x
  3. Step 3: Cross multiply
    1,086,461.20x = 1,629,400.20 × 455,244.40
  4. Step 4: Simplify right side
    1,086,461.20x = 741,775,316,408.88
  5. Step 5: Solve for x
    x = 741,775,316,408.88/1,086,461.20
  6. Step 6: Final answer
    x = 682,744.41

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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.