Home / 1,320,437.70-1,978,360.20-609,006.60

Finding the Fourth Proportional to 1,320,437.70, 1,978,360.20 and 609,006.60

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Solution

The fourth proportional to 1,320,437.70, 1,978,360.20 and 609,006.60 is: 912,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,437.70 : 1,978,360.20 = 609,006.60 : x
  2. Step 2: Convert to fraction form
    1,320,437.70/1,978,360.20 = 609,006.60/x
  3. Step 3: Cross multiply
    1,320,437.70x = 1,978,360.20 × 609,006.60
  4. Step 4: Simplify right side
    1,320,437.70x = 1,204,834,418,977.32
  5. Step 5: Solve for x
    x = 1,204,834,418,977.32/1,320,437.70
  6. Step 6: Final answer
    x = 912,450.79

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