Home / 1,328,165.79-1,832,860.21-755,205.90

Finding the Fourth Proportional to 1,328,165.79, 1,832,860.21 and 755,205.90

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Solution

The fourth proportional to 1,328,165.79, 1,832,860.21 and 755,205.90 is: 1,042,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,165.79 : 1,832,860.21 = 755,205.90 : x
  2. Step 2: Convert to fraction form
    1,328,165.79/1,832,860.21 = 755,205.90/x
  3. Step 3: Cross multiply
    1,328,165.79x = 1,832,860.21 × 755,205.90
  4. Step 4: Simplify right side
    1,328,165.79x = 1,384,186,844,467.24
  5. Step 5: Solve for x
    x = 1,384,186,844,467.24/1,328,165.79
  6. Step 6: Final answer
    x = 1,042,179.26

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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.