Home / 1,628,399.85-2,442,606.06-681,106.07

Finding the Fourth Proportional to 1,628,399.85, 2,442,606.06 and 681,106.07

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Solution

The fourth proportional to 1,628,399.85, 2,442,606.06 and 681,106.07 is: 1,021,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,399.85 : 2,442,606.06 = 681,106.07 : x
  2. Step 2: Convert to fraction form
    1,628,399.85/2,442,606.06 = 681,106.07/x
  3. Step 3: Cross multiply
    1,628,399.85x = 2,442,606.06 × 681,106.07
  4. Step 4: Simplify right side
    1,628,399.85x = 1,663,673,801,871.75
  5. Step 5: Solve for x
    x = 1,663,673,801,871.75/1,628,399.85
  6. Step 6: Final answer
    x = 1,021,661.73

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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.