Home / 1,340,872.20-2,012,572.32-488,767.44

Finding the Fourth Proportional to 1,340,872.20, 2,012,572.32 and 488,767.44

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Solution

The fourth proportional to 1,340,872.20, 2,012,572.32 and 488,767.44 is: 733,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,872.20 : 2,012,572.32 = 488,767.44 : x
  2. Step 2: Convert to fraction form
    1,340,872.20/2,012,572.32 = 488,767.44/x
  3. Step 3: Cross multiply
    1,340,872.20x = 2,012,572.32 × 488,767.44
  4. Step 4: Simplify right side
    1,340,872.20x = 983,679,820,661.26
  5. Step 5: Solve for x
    x = 983,679,820,661.26/1,340,872.20
  6. Step 6: Final answer
    x = 733,611.91

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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.