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Finding the Fourth Proportional to 977,219.60, 1,462,978.20 and 697,283.60

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Solution

The fourth proportional to 977,219.60, 1,462,978.20 and 697,283.60 is: 1,043,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,219.60 : 1,462,978.20 = 697,283.60 : x
  2. Step 2: Convert to fraction form
    977,219.60/1,462,978.20 = 697,283.60/x
  3. Step 3: Cross multiply
    977,219.60x = 1,462,978.20 × 697,283.60
  4. Step 4: Simplify right side
    977,219.60x = 1,020,110,706,017.52
  5. Step 5: Solve for x
    x = 1,020,110,706,017.52/977,219.60
  6. Step 6: Final answer
    x = 1,043,890.96

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