Home / 1,071,849.53-1,606,551.26-431,743.34

Finding the Fourth Proportional to 1,071,849.53, 1,606,551.26 and 431,743.34

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Solution

The fourth proportional to 1,071,849.53, 1,606,551.26 and 431,743.34 is: 647,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,849.53 : 1,606,551.26 = 431,743.34 : x
  2. Step 2: Convert to fraction form
    1,071,849.53/1,606,551.26 = 431,743.34/x
  3. Step 3: Cross multiply
    1,071,849.53x = 1,606,551.26 × 431,743.34
  4. Step 4: Simplify right side
    1,071,849.53x = 693,617,796,682.14
  5. Step 5: Solve for x
    x = 693,617,796,682.14/1,071,849.53
  6. Step 6: Final answer
    x = 647,122.36

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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.