Home / 1,071,823.13-1,606,511.60-431,716.92

Finding the Fourth Proportional to 1,071,823.13, 1,606,511.60 and 431,716.92

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Solution

The fourth proportional to 1,071,823.13, 1,606,511.60 and 431,716.92 is: 647,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,823.13 : 1,606,511.60 = 431,716.92 : x
  2. Step 2: Convert to fraction form
    1,071,823.13/1,606,511.60 = 431,716.92/x
  3. Step 3: Cross multiply
    1,071,823.13x = 1,606,511.60 × 431,716.92
  4. Step 4: Simplify right side
    1,071,823.13x = 693,558,237,737.69
  5. Step 5: Solve for x
    x = 693,558,237,737.69/1,071,823.13
  6. Step 6: Final answer
    x = 647,082.73

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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.