Home / 1,330,662.32-1,836,331.56-757,704.80

Finding the Fourth Proportional to 1,330,662.32, 1,836,331.56 and 757,704.80

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Solution

The fourth proportional to 1,330,662.32, 1,836,331.56 and 757,704.80 is: 1,045,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,662.32 : 1,836,331.56 = 757,704.80 : x
  2. Step 2: Convert to fraction form
    1,330,662.32/1,836,331.56 = 757,704.80/x
  3. Step 3: Cross multiply
    1,330,662.32x = 1,836,331.56 × 757,704.80
  4. Step 4: Simplify right side
    1,330,662.32x = 1,391,397,237,403.49
  5. Step 5: Solve for x
    x = 1,391,397,237,403.49/1,330,662.32
  6. Step 6: Final answer
    x = 1,045,642.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.