Home / 1,631,080.17-2,250,828.09-905,974.20

Finding the Fourth Proportional to 1,631,080.17, 2,250,828.09 and 905,974.20

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Solution

The fourth proportional to 1,631,080.17, 2,250,828.09 and 905,974.20 is: 1,250,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,080.17 : 2,250,828.09 = 905,974.20 : x
  2. Step 2: Convert to fraction form
    1,631,080.17/2,250,828.09 = 905,974.20/x
  3. Step 3: Cross multiply
    1,631,080.17x = 2,250,828.09 × 905,974.20
  4. Step 4: Simplify right side
    1,631,080.17x = 2,039,192,178,175.28
  5. Step 5: Solve for x
    x = 2,039,192,178,175.28/1,631,080.17
  6. Step 6: Final answer
    x = 1,250,209.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.