Home / 1,368,064.14-1,887,854.76-756,180.42

Finding the Fourth Proportional to 1,368,064.14, 1,887,854.76 and 756,180.42

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Solution

The fourth proportional to 1,368,064.14, 1,887,854.76 and 756,180.42 is: 1,043,488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,064.14 : 1,887,854.76 = 756,180.42 : x
  2. Step 2: Convert to fraction form
    1,368,064.14/1,887,854.76 = 756,180.42/x
  3. Step 3: Cross multiply
    1,368,064.14x = 1,887,854.76 × 756,180.42
  4. Step 4: Simplify right side
    1,368,064.14x = 1,427,558,805,315.80
  5. Step 5: Solve for x
    x = 1,427,558,805,315.80/1,368,064.14
  6. Step 6: Final answer
    x = 1,043,488.21

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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.