Home / 1,161,782.64-1,743,356.03-487,812.12

Finding the Fourth Proportional to 1,161,782.64, 1,743,356.03 and 487,812.12

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Solution

The fourth proportional to 1,161,782.64, 1,743,356.03 and 487,812.12 is: 732,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,782.64 : 1,743,356.03 = 487,812.12 : x
  2. Step 2: Convert to fraction form
    1,161,782.64/1,743,356.03 = 487,812.12/x
  3. Step 3: Cross multiply
    1,161,782.64x = 1,743,356.03 × 487,812.12
  4. Step 4: Simplify right side
    1,161,782.64x = 850,430,192,192.30
  5. Step 5: Solve for x
    x = 850,430,192,192.30/1,161,782.64
  6. Step 6: Final answer
    x = 732,004.56

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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.