Home / 1,401,959.93-1,934,716.70-789,995.41

Finding the Fourth Proportional to 1,401,959.93, 1,934,716.70 and 789,995.41

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Solution

The fourth proportional to 1,401,959.93, 1,934,716.70 and 789,995.41 is: 1,090,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,959.93 : 1,934,716.70 = 789,995.41 : x
  2. Step 2: Convert to fraction form
    1,401,959.93/1,934,716.70 = 789,995.41/x
  3. Step 3: Cross multiply
    1,401,959.93x = 1,934,716.70 × 789,995.41
  4. Step 4: Simplify right side
    1,401,959.93x = 1,528,417,309,788.54
  5. Step 5: Solve for x
    x = 1,528,417,309,788.54/1,401,959.93
  6. Step 6: Final answer
    x = 1,090,200.43

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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.