Home / 1,639,574.33-2,458,647.23-870,903.82

Finding the Fourth Proportional to 1,639,574.33, 2,458,647.23 and 870,903.82

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Solution

The fourth proportional to 1,639,574.33, 2,458,647.23 and 870,903.82 is: 1,305,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,574.33 : 2,458,647.23 = 870,903.82 : x
  2. Step 2: Convert to fraction form
    1,639,574.33/2,458,647.23 = 870,903.82/x
  3. Step 3: Cross multiply
    1,639,574.33x = 2,458,647.23 × 870,903.82
  4. Step 4: Simplify right side
    1,639,574.33x = 2,141,245,264,639.42
  5. Step 5: Solve for x
    x = 2,141,245,264,639.42/1,639,574.33
  6. Step 6: Final answer
    x = 1,305,976.33

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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.