Home / 1,198,811.54-1,789,472.44-1,047,473.84

Finding the Fourth Proportional to 1,198,811.54, 1,789,472.44 and 1,047,473.84

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Solution

The fourth proportional to 1,198,811.54, 1,789,472.44 and 1,047,473.84 is: 1,563,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,811.54 : 1,789,472.44 = 1,047,473.84 : x
  2. Step 2: Convert to fraction form
    1,198,811.54/1,789,472.44 = 1,047,473.84/x
  3. Step 3: Cross multiply
    1,198,811.54x = 1,789,472.44 × 1,047,473.84
  4. Step 4: Simplify right side
    1,198,811.54x = 1,874,425,568,300.97
  5. Step 5: Solve for x
    x = 1,874,425,568,300.97/1,198,811.54
  6. Step 6: Final answer
    x = 1,563,569.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.