Home / 1,975,112.96-2,724,662.40-1,295,955.20

Finding the Fourth Proportional to 1,975,112.96, 2,724,662.40 and 1,295,955.20

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Solution

The fourth proportional to 1,975,112.96, 2,724,662.40 and 1,295,955.20 is: 1,787,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,112.96 : 2,724,662.40 = 1,295,955.20 : x
  2. Step 2: Convert to fraction form
    1,975,112.96/2,724,662.40 = 1,295,955.20/x
  3. Step 3: Cross multiply
    1,975,112.96x = 2,724,662.40 × 1,295,955.20
  4. Step 4: Simplify right side
    1,975,112.96x = 3,531,040,405,524.48
  5. Step 5: Solve for x
    x = 3,531,040,405,524.48/1,975,112.96
  6. Step 6: Final answer
    x = 1,787,766.31

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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.