Home / 1,226,434.08-1,839,957.70-1,206,091.72

Finding the Fourth Proportional to 1,226,434.08, 1,839,957.70 and 1,206,091.72

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Solution

The fourth proportional to 1,226,434.08, 1,839,957.70 and 1,206,091.72 is: 1,809,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,434.08 : 1,839,957.70 = 1,206,091.72 : x
  2. Step 2: Convert to fraction form
    1,226,434.08/1,839,957.70 = 1,206,091.72/x
  3. Step 3: Cross multiply
    1,226,434.08x = 1,839,957.70 × 1,206,091.72
  4. Step 4: Simplify right side
    1,226,434.08x = 2,219,157,747,120.24
  5. Step 5: Solve for x
    x = 2,219,157,747,120.24/1,226,434.08
  6. Step 6: Final answer
    x = 1,809,439.07

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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.