Home / 1,531,313-2,296,794.20-409,469.48

Finding the Fourth Proportional to 1,531,313, 2,296,794.20 and 409,469.48

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Solution

The fourth proportional to 1,531,313, 2,296,794.20 and 409,469.48 is: 614,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,313 : 2,296,794.20 = 409,469.48 : x
  2. Step 2: Convert to fraction form
    1,531,313/2,296,794.20 = 409,469.48/x
  3. Step 3: Cross multiply
    1,531,313x = 2,296,794.20 × 409,469.48
  4. Step 4: Simplify right side
    1,531,313x = 940,467,126,741.02
  5. Step 5: Solve for x
    x = 940,467,126,741.02/1,531,313
  6. Step 6: Final answer
    x = 614,157.35

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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.