Home / 1,682,388.51-2,523,440.61-545,126.64

Finding the Fourth Proportional to 1,682,388.51, 2,523,440.61 and 545,126.64

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Solution

The fourth proportional to 1,682,388.51, 2,523,440.61 and 545,126.64 is: 817,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,388.51 : 2,523,440.61 = 545,126.64 : x
  2. Step 2: Convert to fraction form
    1,682,388.51/2,523,440.61 = 545,126.64/x
  3. Step 3: Cross multiply
    1,682,388.51x = 2,523,440.61 × 545,126.64
  4. Step 4: Simplify right side
    1,682,388.51x = 1,375,594,700,968.85
  5. Step 5: Solve for x
    x = 1,375,594,700,968.85/1,682,388.51
  6. Step 6: Final answer
    x = 817,643.90

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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.