Home / 1,218,043.80-1,824,441.30-1,008,091.80

Finding the Fourth Proportional to 1,218,043.80, 1,824,441.30 and 1,008,091.80

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Solution

The fourth proportional to 1,218,043.80, 1,824,441.30 and 1,008,091.80 is: 1,509,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,043.80 : 1,824,441.30 = 1,008,091.80 : x
  2. Step 2: Convert to fraction form
    1,218,043.80/1,824,441.30 = 1,008,091.80/x
  3. Step 3: Cross multiply
    1,218,043.80x = 1,824,441.30 × 1,008,091.80
  4. Step 4: Simplify right side
    1,218,043.80x = 1,839,204,314,111.34
  5. Step 5: Solve for x
    x = 1,839,204,314,111.34/1,218,043.80
  6. Step 6: Final answer
    x = 1,509,965.66

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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.