Home / 1,164,231.20-1,742,847.60-690,672.80

Finding the Fourth Proportional to 1,164,231.20, 1,742,847.60 and 690,672.80

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Solution

The fourth proportional to 1,164,231.20, 1,742,847.60 and 690,672.80 is: 1,033,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,231.20 : 1,742,847.60 = 690,672.80 : x
  2. Step 2: Convert to fraction form
    1,164,231.20/1,742,847.60 = 690,672.80/x
  3. Step 3: Cross multiply
    1,164,231.20x = 1,742,847.60 × 690,672.80
  4. Step 4: Simplify right side
    1,164,231.20x = 1,203,737,431,865.28
  5. Step 5: Solve for x
    x = 1,203,737,431,865.28/1,164,231.20
  6. Step 6: Final answer
    x = 1,033,933.32

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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.