Home / 1,191,290.56-1,787,821.56-481,324.74

Finding the Fourth Proportional to 1,191,290.56, 1,787,821.56 and 481,324.74

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Solution

The fourth proportional to 1,191,290.56, 1,787,821.56 and 481,324.74 is: 722,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,290.56 : 1,787,821.56 = 481,324.74 : x
  2. Step 2: Convert to fraction form
    1,191,290.56/1,787,821.56 = 481,324.74/x
  3. Step 3: Cross multiply
    1,191,290.56x = 1,787,821.56 × 481,324.74
  4. Step 4: Simplify right side
    1,191,290.56x = 860,522,747,533.39
  5. Step 5: Solve for x
    x = 860,522,747,533.39/1,191,290.56
  6. Step 6: Final answer
    x = 722,344.97

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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.