Home / 958,348.62-1,436,405.12-720,927.90

Finding the Fourth Proportional to 958,348.62, 1,436,405.12 and 720,927.90

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Solution

The fourth proportional to 958,348.62, 1,436,405.12 and 720,927.90 is: 1,080,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,348.62 : 1,436,405.12 = 720,927.90 : x
  2. Step 2: Convert to fraction form
    958,348.62/1,436,405.12 = 720,927.90/x
  3. Step 3: Cross multiply
    958,348.62x = 1,436,405.12 × 720,927.90
  4. Step 4: Simplify right side
    958,348.62x = 1,035,544,526,710.85
  5. Step 5: Solve for x
    x = 1,035,544,526,710.85/958,348.62
  6. Step 6: Final answer
    x = 1,080,550.97

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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.