Home / 1,179,977.04-1,628,365.32-643,433.04

Finding the Fourth Proportional to 1,179,977.04, 1,628,365.32 and 643,433.04

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Solution

The fourth proportional to 1,179,977.04, 1,628,365.32 and 643,433.04 is: 887,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,977.04 : 1,628,365.32 = 643,433.04 : x
  2. Step 2: Convert to fraction form
    1,179,977.04/1,628,365.32 = 643,433.04/x
  3. Step 3: Cross multiply
    1,179,977.04x = 1,628,365.32 × 643,433.04
  4. Step 4: Simplify right side
    1,179,977.04x = 1,047,744,048,078.17
  5. Step 5: Solve for x
    x = 1,047,744,048,078.17/1,179,977.04
  6. Step 6: Final answer
    x = 887,935.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.