Home / 1,388,530.18-2,082,046.34-629,957.72

Finding the Fourth Proportional to 1,388,530.18, 2,082,046.34 and 629,957.72

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Solution

The fourth proportional to 1,388,530.18, 2,082,046.34 and 629,957.72 is: 944,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,530.18 : 2,082,046.34 = 629,957.72 : x
  2. Step 2: Convert to fraction form
    1,388,530.18/2,082,046.34 = 629,957.72/x
  3. Step 3: Cross multiply
    1,388,530.18x = 2,082,046.34 × 629,957.72
  4. Step 4: Simplify right side
    1,388,530.18x = 1,311,601,172,060.76
  5. Step 5: Solve for x
    x = 1,311,601,172,060.76/1,388,530.18
  6. Step 6: Final answer
    x = 944,596.80

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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.