Home / 1,367,872.74-1,887,762.11-756,012.33

Finding the Fourth Proportional to 1,367,872.74, 1,887,762.11 and 756,012.33

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Solution

The fourth proportional to 1,367,872.74, 1,887,762.11 and 756,012.33 is: 1,043,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,872.74 : 1,887,762.11 = 756,012.33 : x
  2. Step 2: Convert to fraction form
    1,367,872.74/1,887,762.11 = 756,012.33/x
  3. Step 3: Cross multiply
    1,367,872.74x = 1,887,762.11 × 756,012.33
  4. Step 4: Simplify right side
    1,367,872.74x = 1,427,171,428,437.44
  5. Step 5: Solve for x
    x = 1,427,171,428,437.44/1,367,872.74
  6. Step 6: Final answer
    x = 1,043,351.03

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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.