Home / 1,367,872.98-1,887,762.45-756,012.58

Finding the Fourth Proportional to 1,367,872.98, 1,887,762.45 and 756,012.58

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Solution

The fourth proportional to 1,367,872.98, 1,887,762.45 and 756,012.58 is: 1,043,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,872.98 : 1,887,762.45 = 756,012.58 : x
  2. Step 2: Convert to fraction form
    1,367,872.98/1,887,762.45 = 756,012.58/x
  3. Step 3: Cross multiply
    1,367,872.98x = 1,887,762.45 × 756,012.58
  4. Step 4: Simplify right side
    1,367,872.98x = 1,427,172,160,251.62
  5. Step 5: Solve for x
    x = 1,427,172,160,251.62/1,367,872.98
  6. Step 6: Final answer
    x = 1,043,351.38

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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.