Home / 1,168,420.80-1,753,408.80-662,980.80

Finding the Fourth Proportional to 1,168,420.80, 1,753,408.80 and 662,980.80

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Solution

The fourth proportional to 1,168,420.80, 1,753,408.80 and 662,980.80 is: 994,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,420.80 : 1,753,408.80 = 662,980.80 : x
  2. Step 2: Convert to fraction form
    1,168,420.80/1,753,408.80 = 662,980.80/x
  3. Step 3: Cross multiply
    1,168,420.80x = 1,753,408.80 × 662,980.80
  4. Step 4: Simplify right side
    1,168,420.80x = 1,162,476,368,951.04
  5. Step 5: Solve for x
    x = 1,162,476,368,951.04/1,168,420.80
  6. Step 6: Final answer
    x = 994,912.42

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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.