Home / 1,082,022.40-1,619,923.20-662,118.40

Finding the Fourth Proportional to 1,082,022.40, 1,619,923.20 and 662,118.40

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Solution

The fourth proportional to 1,082,022.40, 1,619,923.20 and 662,118.40 is: 991,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,022.40 : 1,619,923.20 = 662,118.40 : x
  2. Step 2: Convert to fraction form
    1,082,022.40/1,619,923.20 = 662,118.40/x
  3. Step 3: Cross multiply
    1,082,022.40x = 1,619,923.20 × 662,118.40
  4. Step 4: Simplify right side
    1,082,022.40x = 1,072,580,957,306.88
  5. Step 5: Solve for x
    x = 1,072,580,957,306.88/1,082,022.40
  6. Step 6: Final answer
    x = 991,274.26

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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.