Home / 1,012,376.18-1,519,310.28-479,895.14

Finding the Fourth Proportional to 1,012,376.18, 1,519,310.28 and 479,895.14

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Solution

The fourth proportional to 1,012,376.18, 1,519,310.28 and 479,895.14 is: 720,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,376.18 : 1,519,310.28 = 479,895.14 : x
  2. Step 2: Convert to fraction form
    1,012,376.18/1,519,310.28 = 479,895.14/x
  3. Step 3: Cross multiply
    1,012,376.18x = 1,519,310.28 × 479,895.14
  4. Step 4: Simplify right side
    1,012,376.18x = 729,109,625,121.92
  5. Step 5: Solve for x
    x = 729,109,625,121.92/1,012,376.18
  6. Step 6: Final answer
    x = 720,196.34

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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.