Home / 1,762,362.32-2,642,843.64-639,818.96

Finding the Fourth Proportional to 1,762,362.32, 2,642,843.64 and 639,818.96

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Solution

The fourth proportional to 1,762,362.32, 2,642,843.64 and 639,818.96 is: 959,474.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,362.32 : 2,642,843.64 = 639,818.96 : x
  2. Step 2: Convert to fraction form
    1,762,362.32/2,642,843.64 = 639,818.96/x
  3. Step 3: Cross multiply
    1,762,362.32x = 2,642,843.64 × 639,818.96
  4. Step 4: Simplify right side
    1,762,362.32x = 1,690,941,469,187.41
  5. Step 5: Solve for x
    x = 1,690,941,469,187.41/1,762,362.32
  6. Step 6: Final answer
    x = 959,474.37

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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.