Home / 1,422,964.33-2,130,991.03-782,289.97

Finding the Fourth Proportional to 1,422,964.33, 2,130,991.03 and 782,289.97

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Solution

The fourth proportional to 1,422,964.33, 2,130,991.03 and 782,289.97 is: 1,171,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,964.33 : 2,130,991.03 = 782,289.97 : x
  2. Step 2: Convert to fraction form
    1,422,964.33/2,130,991.03 = 782,289.97/x
  3. Step 3: Cross multiply
    1,422,964.33x = 2,130,991.03 × 782,289.97
  4. Step 4: Simplify right side
    1,422,964.33x = 1,667,052,908,928.97
  5. Step 5: Solve for x
    x = 1,667,052,908,928.97/1,422,964.33
  6. Step 6: Final answer
    x = 1,171,535.28

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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.