Home / 1,041,330-1,561,397.22-409,899.36

Finding the Fourth Proportional to 1,041,330, 1,561,397.22 and 409,899.36

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Solution

The fourth proportional to 1,041,330, 1,561,397.22 and 409,899.36 is: 614,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,330 : 1,561,397.22 = 409,899.36 : x
  2. Step 2: Convert to fraction form
    1,041,330/1,561,397.22 = 409,899.36/x
  3. Step 3: Cross multiply
    1,041,330x = 1,561,397.22 × 409,899.36
  4. Step 4: Simplify right side
    1,041,330x = 640,015,721,183.78
  5. Step 5: Solve for x
    x = 640,015,721,183.78/1,041,330
  6. Step 6: Final answer
    x = 614,613.74

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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.