Home / 1,370,851.97-1,891,795.73-789,754.50

Finding the Fourth Proportional to 1,370,851.97, 1,891,795.73 and 789,754.50

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Solution

The fourth proportional to 1,370,851.97, 1,891,795.73 and 789,754.50 is: 1,089,872.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,851.97 : 1,891,795.73 = 789,754.50 : x
  2. Step 2: Convert to fraction form
    1,370,851.97/1,891,795.73 = 789,754.50/x
  3. Step 3: Cross multiply
    1,370,851.97x = 1,891,795.73 × 789,754.50
  4. Step 4: Simplify right side
    1,370,851.97x = 1,494,054,186,899.51
  5. Step 5: Solve for x
    x = 1,494,054,186,899.51/1,370,851.97
  6. Step 6: Final answer
    x = 1,089,872.74

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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.