Home / 1,661,425.86-2,492,138.49-399,253.49

Finding the Fourth Proportional to 1,661,425.86, 2,492,138.49 and 399,253.49

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Solution

The fourth proportional to 1,661,425.86, 2,492,138.49 and 399,253.49 is: 598,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,425.86 : 2,492,138.49 = 399,253.49 : x
  2. Step 2: Convert to fraction form
    1,661,425.86/2,492,138.49 = 399,253.49/x
  3. Step 3: Cross multiply
    1,661,425.86x = 2,492,138.49 × 399,253.49
  4. Step 4: Simplify right side
    1,661,425.86x = 994,994,989,695.83
  5. Step 5: Solve for x
    x = 994,994,989,695.83/1,661,425.86
  6. Step 6: Final answer
    x = 598,880.16

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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.