Home / 1,345,439.14-2,017,015.66-626,198.51

Finding the Fourth Proportional to 1,345,439.14, 2,017,015.66 and 626,198.51

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Solution

The fourth proportional to 1,345,439.14, 2,017,015.66 and 626,198.51 is: 938,765.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,439.14 : 2,017,015.66 = 626,198.51 : x
  2. Step 2: Convert to fraction form
    1,345,439.14/2,017,015.66 = 626,198.51/x
  3. Step 3: Cross multiply
    1,345,439.14x = 2,017,015.66 × 626,198.51
  4. Step 4: Simplify right side
    1,345,439.14x = 1,263,052,202,325.12
  5. Step 5: Solve for x
    x = 1,263,052,202,325.12/1,345,439.14
  6. Step 6: Final answer
    x = 938,765.77

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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.