Home / 1,383,299.09-1,908,954.57-763,090.27

Finding the Fourth Proportional to 1,383,299.09, 1,908,954.57 and 763,090.27

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Solution

The fourth proportional to 1,383,299.09, 1,908,954.57 and 763,090.27 is: 1,053,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,299.09 : 1,908,954.57 = 763,090.27 : x
  2. Step 2: Convert to fraction form
    1,383,299.09/1,908,954.57 = 763,090.27/x
  3. Step 3: Cross multiply
    1,383,299.09x = 1,908,954.57 × 763,090.27
  4. Step 4: Simplify right side
    1,383,299.09x = 1,456,704,658,239.03
  5. Step 5: Solve for x
    x = 1,456,704,658,239.03/1,383,299.09
  6. Step 6: Final answer
    x = 1,053,065.58

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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.