Home / 1,661,120.80-2,491,551.60-650,046.40

Finding the Fourth Proportional to 1,661,120.80, 2,491,551.60 and 650,046.40

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Solution

The fourth proportional to 1,661,120.80, 2,491,551.60 and 650,046.40 is: 975,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,120.80 : 2,491,551.60 = 650,046.40 : x
  2. Step 2: Convert to fraction form
    1,661,120.80/2,491,551.60 = 650,046.40/x
  3. Step 3: Cross multiply
    1,661,120.80x = 2,491,551.60 × 650,046.40
  4. Step 4: Simplify right side
    1,661,120.80x = 1,619,624,147,994.24
  5. Step 5: Solve for x
    x = 1,619,624,147,994.24/1,661,120.80
  6. Step 6: Final answer
    x = 975,018.88

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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.