Home / 1,110,540.36-1,665,810.77-400,568.32

Finding the Fourth Proportional to 1,110,540.36, 1,665,810.77 and 400,568.32

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Solution

The fourth proportional to 1,110,540.36, 1,665,810.77 and 400,568.32 is: 600,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,540.36 : 1,665,810.77 = 400,568.32 : x
  2. Step 2: Convert to fraction form
    1,110,540.36/1,665,810.77 = 400,568.32/x
  3. Step 3: Cross multiply
    1,110,540.36x = 1,665,810.77 × 400,568.32
  4. Step 4: Simplify right side
    1,110,540.36x = 667,271,021,576.81
  5. Step 5: Solve for x
    x = 667,271,021,576.81/1,110,540.36
  6. Step 6: Final answer
    x = 600,852.56

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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.