Home / 1,388,539.24-2,082,059.92-629,966.82

Finding the Fourth Proportional to 1,388,539.24, 2,082,059.92 and 629,966.82

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Solution

The fourth proportional to 1,388,539.24, 2,082,059.92 and 629,966.82 is: 944,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,539.24 : 2,082,059.92 = 629,966.82 : x
  2. Step 2: Convert to fraction form
    1,388,539.24/2,082,059.92 = 629,966.82/x
  3. Step 3: Cross multiply
    1,388,539.24x = 2,082,059.92 × 629,966.82
  4. Step 4: Simplify right side
    1,388,539.24x = 1,311,628,666,851.85
  5. Step 5: Solve for x
    x = 1,311,628,666,851.85/1,388,539.24
  6. Step 6: Final answer
    x = 944,610.44

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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.