Home / 1,226,617.40-1,692,732.09-682,741.48

Finding the Fourth Proportional to 1,226,617.40, 1,692,732.09 and 682,741.48

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Solution

The fourth proportional to 1,226,617.40, 1,692,732.09 and 682,741.48 is: 942,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,617.40 : 1,692,732.09 = 682,741.48 : x
  2. Step 2: Convert to fraction form
    1,226,617.40/1,692,732.09 = 682,741.48/x
  3. Step 3: Cross multiply
    1,226,617.40x = 1,692,732.09 × 682,741.48
  4. Step 4: Simplify right side
    1,226,617.40x = 1,155,698,412,370.09
  5. Step 5: Solve for x
    x = 1,155,698,412,370.09/1,226,617.40
  6. Step 6: Final answer
    x = 942,183.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.