Home / 1,642,871.63-2,464,540.93-505,728.43

Finding the Fourth Proportional to 1,642,871.63, 2,464,540.93 and 505,728.43

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Solution

The fourth proportional to 1,642,871.63, 2,464,540.93 and 505,728.43 is: 758,664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,871.63 : 2,464,540.93 = 505,728.43 : x
  2. Step 2: Convert to fraction form
    1,642,871.63/2,464,540.93 = 505,728.43/x
  3. Step 3: Cross multiply
    1,642,871.63x = 2,464,540.93 × 505,728.43
  4. Step 4: Simplify right side
    1,642,871.63x = 1,246,388,402,876.94
  5. Step 5: Solve for x
    x = 1,246,388,402,876.94/1,642,871.63
  6. Step 6: Final answer
    x = 758,664.51

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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.