Home / 1,260,942.60-1,891,968.38-661,763.37

Finding the Fourth Proportional to 1,260,942.60, 1,891,968.38 and 661,763.37

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Solution

The fourth proportional to 1,260,942.60, 1,891,968.38 and 661,763.37 is: 992,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,942.60 : 1,891,968.38 = 661,763.37 : x
  2. Step 2: Convert to fraction form
    1,260,942.60/1,891,968.38 = 661,763.37/x
  3. Step 3: Cross multiply
    1,260,942.60x = 1,891,968.38 × 661,763.37
  4. Step 4: Simplify right side
    1,260,942.60x = 1,252,035,371,082.24
  5. Step 5: Solve for x
    x = 1,252,035,371,082.24/1,260,942.60
  6. Step 6: Final answer
    x = 992,936.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.