Home / 1,376,845.98-1,900,033.65-756,661.38

Finding the Fourth Proportional to 1,376,845.98, 1,900,033.65 and 756,661.38

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Solution

The fourth proportional to 1,376,845.98, 1,900,033.65 and 756,661.38 is: 1,044,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,845.98 : 1,900,033.65 = 756,661.38 : x
  2. Step 2: Convert to fraction form
    1,376,845.98/1,900,033.65 = 756,661.38/x
  3. Step 3: Cross multiply
    1,376,845.98x = 1,900,033.65 × 756,661.38
  4. Step 4: Simplify right side
    1,376,845.98x = 1,437,682,083,655.44
  5. Step 5: Solve for x
    x = 1,437,682,083,655.44/1,376,845.98
  6. Step 6: Final answer
    x = 1,044,185.12

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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.