Home / 1,136,895.12-1,705,511.16-378,488.88

Finding the Fourth Proportional to 1,136,895.12, 1,705,511.16 and 378,488.88

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Solution

The fourth proportional to 1,136,895.12, 1,705,511.16 and 378,488.88 is: 567,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,895.12 : 1,705,511.16 = 378,488.88 : x
  2. Step 2: Convert to fraction form
    1,136,895.12/1,705,511.16 = 378,488.88/x
  3. Step 3: Cross multiply
    1,136,895.12x = 1,705,511.16 × 378,488.88
  4. Step 4: Simplify right side
    1,136,895.12x = 645,517,008,775.90
  5. Step 5: Solve for x
    x = 645,517,008,775.90/1,136,895.12
  6. Step 6: Final answer
    x = 567,789.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.