Home / 1,214,667.60-1,821,126.60-682,351.80

Finding the Fourth Proportional to 1,214,667.60, 1,821,126.60 and 682,351.80

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Solution

The fourth proportional to 1,214,667.60, 1,821,126.60 and 682,351.80 is: 1,023,036.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,667.60 : 1,821,126.60 = 682,351.80 : x
  2. Step 2: Convert to fraction form
    1,214,667.60/1,821,126.60 = 682,351.80/x
  3. Step 3: Cross multiply
    1,214,667.60x = 1,821,126.60 × 682,351.80
  4. Step 4: Simplify right side
    1,214,667.60x = 1,242,649,013,537.88
  5. Step 5: Solve for x
    x = 1,242,649,013,537.88/1,214,667.60
  6. Step 6: Final answer
    x = 1,023,036.27

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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.