Home / 1,083,912.40-1,622,758.20-664,008.40

Finding the Fourth Proportional to 1,083,912.40, 1,622,758.20 and 664,008.40

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Solution

The fourth proportional to 1,083,912.40, 1,622,758.20 and 664,008.40 is: 994,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,912.40 : 1,622,758.20 = 664,008.40 : x
  2. Step 2: Convert to fraction form
    1,083,912.40/1,622,758.20 = 664,008.40/x
  3. Step 3: Cross multiply
    1,083,912.40x = 1,622,758.20 × 664,008.40
  4. Step 4: Simplify right side
    1,083,912.40x = 1,077,525,075,968.88
  5. Step 5: Solve for x
    x = 1,077,525,075,968.88/1,083,912.40
  6. Step 6: Final answer
    x = 994,107.16

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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.