Home / 1,360,119.20-2,040,255.60-413,520.80

Finding the Fourth Proportional to 1,360,119.20, 2,040,255.60 and 413,520.80

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Solution

The fourth proportional to 1,360,119.20, 2,040,255.60 and 413,520.80 is: 620,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,119.20 : 2,040,255.60 = 413,520.80 : x
  2. Step 2: Convert to fraction form
    1,360,119.20/2,040,255.60 = 413,520.80/x
  3. Step 3: Cross multiply
    1,360,119.20x = 2,040,255.60 × 413,520.80
  4. Step 4: Simplify right side
    1,360,119.20x = 843,688,127,916.48
  5. Step 5: Solve for x
    x = 843,688,127,916.48/1,360,119.20
  6. Step 6: Final answer
    x = 620,304.55

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1.5x scale

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.