Home / 1,131,354.48-1,700,142.12-1,057,378.80

Finding the Fourth Proportional to 1,131,354.48, 1,700,142.12 and 1,057,378.80

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Solution

The fourth proportional to 1,131,354.48, 1,700,142.12 and 1,057,378.80 is: 1,588,975.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,354.48 : 1,700,142.12 = 1,057,378.80 : x
  2. Step 2: Convert to fraction form
    1,131,354.48/1,700,142.12 = 1,057,378.80/x
  3. Step 3: Cross multiply
    1,131,354.48x = 1,700,142.12 × 1,057,378.80
  4. Step 4: Simplify right side
    1,131,354.48x = 1,797,694,234,675.06
  5. Step 5: Solve for x
    x = 1,797,694,234,675.06/1,131,354.48
  6. Step 6: Final answer
    x = 1,588,975.22

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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.