Home / 1,237,771.62-1,708,684.41-779,559.56

Finding the Fourth Proportional to 1,237,771.62, 1,708,684.41 and 779,559.56

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Solution

The fourth proportional to 1,237,771.62, 1,708,684.41 and 779,559.56 is: 1,076,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,771.62 : 1,708,684.41 = 779,559.56 : x
  2. Step 2: Convert to fraction form
    1,237,771.62/1,708,684.41 = 779,559.56/x
  3. Step 3: Cross multiply
    1,237,771.62x = 1,708,684.41 × 779,559.56
  4. Step 4: Simplify right side
    1,237,771.62x = 1,332,021,258,295.04
  5. Step 5: Solve for x
    x = 1,332,021,258,295.04/1,237,771.62
  6. Step 6: Final answer
    x = 1,076,144.61

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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.