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Finding the Fourth Proportional to 1,319,692.80, 1,978,737.30 and 520,052.70

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Solution

The fourth proportional to 1,319,692.80, 1,978,737.30 and 520,052.70 is: 779,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,692.80 : 1,978,737.30 = 520,052.70 : x
  2. Step 2: Convert to fraction form
    1,319,692.80/1,978,737.30 = 520,052.70/x
  3. Step 3: Cross multiply
    1,319,692.80x = 1,978,737.30 × 520,052.70
  4. Step 4: Simplify right side
    1,319,692.80x = 1,029,047,675,455.71
  5. Step 5: Solve for x
    x = 1,029,047,675,455.71/1,319,692.80
  6. Step 6: Final answer
    x = 779,763.04

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