Home / 1,661,449-2,492,173.25-399,276.63

Finding the Fourth Proportional to 1,661,449, 2,492,173.25 and 399,276.63

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Solution

The fourth proportional to 1,661,449, 2,492,173.25 and 399,276.63 is: 598,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,449 : 2,492,173.25 = 399,276.63 : x
  2. Step 2: Convert to fraction form
    1,661,449/2,492,173.25 = 399,276.63/x
  3. Step 3: Cross multiply
    1,661,449x = 2,492,173.25 × 399,276.63
  4. Step 4: Simplify right side
    1,661,449x = 995,066,536,636.15
  5. Step 5: Solve for x
    x = 995,066,536,636.15/1,661,449
  6. Step 6: Final answer
    x = 598,914.88

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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.