Home / 1,311,104.90-1,809,355.79-730,367.24

Finding the Fourth Proportional to 1,311,104.90, 1,809,355.79 and 730,367.24

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Solution

The fourth proportional to 1,311,104.90, 1,809,355.79 and 730,367.24 is: 1,007,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,104.90 : 1,809,355.79 = 730,367.24 : x
  2. Step 2: Convert to fraction form
    1,311,104.90/1,809,355.79 = 730,367.24/x
  3. Step 3: Cross multiply
    1,311,104.90x = 1,809,355.79 × 730,367.24
  4. Step 4: Simplify right side
    1,311,104.90x = 1,321,494,187,299.46
  5. Step 5: Solve for x
    x = 1,321,494,187,299.46/1,311,104.90
  6. Step 6: Final answer
    x = 1,007,924.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.