Home / 1,142,563.80-1,713,851.82-343,839.90

Finding the Fourth Proportional to 1,142,563.80, 1,713,851.82 and 343,839.90

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Solution

The fourth proportional to 1,142,563.80, 1,713,851.82 and 343,839.90 is: 515,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,563.80 : 1,713,851.82 = 343,839.90 : x
  2. Step 2: Convert to fraction form
    1,142,563.80/1,713,851.82 = 343,839.90/x
  3. Step 3: Cross multiply
    1,142,563.80x = 1,713,851.82 × 343,839.90
  4. Step 4: Simplify right side
    1,142,563.80x = 589,290,638,403.62
  5. Step 5: Solve for x
    x = 589,290,638,403.62/1,142,563.80
  6. Step 6: Final answer
    x = 515,761.69

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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.