Home / 1,317,260.36-1,817,718.87-800,942.54

Finding the Fourth Proportional to 1,317,260.36, 1,817,718.87 and 800,942.54

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Solution

The fourth proportional to 1,317,260.36, 1,817,718.87 and 800,942.54 is: 1,105,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,260.36 : 1,817,718.87 = 800,942.54 : x
  2. Step 2: Convert to fraction form
    1,317,260.36/1,817,718.87 = 800,942.54/x
  3. Step 3: Cross multiply
    1,317,260.36x = 1,817,718.87 × 800,942.54
  4. Step 4: Simplify right side
    1,317,260.36x = 1,455,888,368,743.73
  5. Step 5: Solve for x
    x = 1,455,888,368,743.73/1,317,260.36
  6. Step 6: Final answer
    x = 1,105,239.64

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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.