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Finding the Fourth Proportional to 1,318,905.77, 1,978,669.65 and 1,050,050.37

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Solution

The fourth proportional to 1,318,905.77, 1,978,669.65 and 1,050,050.37 is: 1,575,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,905.77 : 1,978,669.65 = 1,050,050.37 : x
  2. Step 2: Convert to fraction form
    1,318,905.77/1,978,669.65 = 1,050,050.37/x
  3. Step 3: Cross multiply
    1,318,905.77x = 1,978,669.65 × 1,050,050.37
  4. Step 4: Simplify right side
    1,318,905.77x = 2,077,702,798,090.27
  5. Step 5: Solve for x
    x = 2,077,702,798,090.27/1,318,905.77
  6. Step 6: Final answer
    x = 1,575,323.16

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