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Finding the Fourth Proportional to 1,433,797.61, 1,978,829.64 and 860,874.68

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Solution

The fourth proportional to 1,433,797.61, 1,978,829.64 and 860,874.68 is: 1,188,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,797.61 : 1,978,829.64 = 860,874.68 : x
  2. Step 2: Convert to fraction form
    1,433,797.61/1,978,829.64 = 860,874.68/x
  3. Step 3: Cross multiply
    1,433,797.61x = 1,978,829.64 × 860,874.68
  4. Step 4: Simplify right side
    1,433,797.61x = 1,703,524,323,215.37
  5. Step 5: Solve for x
    x = 1,703,524,323,215.37/1,433,797.61
  6. Step 6: Final answer
    x = 1,188,120.50

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