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Finding the Fourth Proportional to 1,978,030.52, 2,968,264.02 and 779,748.92

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Solution

The fourth proportional to 1,978,030.52, 2,968,264.02 and 779,748.92 is: 1,170,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,030.52 : 2,968,264.02 = 779,748.92 : x
  2. Step 2: Convert to fraction form
    1,978,030.52/2,968,264.02 = 779,748.92/x
  3. Step 3: Cross multiply
    1,978,030.52x = 2,968,264.02 × 779,748.92
  4. Step 4: Simplify right side
    1,978,030.52x = 2,314,500,663,869.86
  5. Step 5: Solve for x
    x = 2,314,500,663,869.86/1,978,030.52
  6. Step 6: Final answer
    x = 1,170,103.62

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