Home / 1,466,408.80-2,199,613.20-990,517.60

Finding the Fourth Proportional to 1,466,408.80, 2,199,613.20 and 990,517.60

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Solution

The fourth proportional to 1,466,408.80, 2,199,613.20 and 990,517.60 is: 1,485,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466,408.80 : 2,199,613.20 = 990,517.60 : x
  2. Step 2: Convert to fraction form
    1,466,408.80/2,199,613.20 = 990,517.60/x
  3. Step 3: Cross multiply
    1,466,408.80x = 2,199,613.20 × 990,517.60
  4. Step 4: Simplify right side
    1,466,408.80x = 2,178,755,587,792.32
  5. Step 5: Solve for x
    x = 2,178,755,587,792.32/1,466,408.80
  6. Step 6: Final answer
    x = 1,485,776.40

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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.