Home / 1,639,574.45-2,458,647.41-870,903.95

Finding the Fourth Proportional to 1,639,574.45, 2,458,647.41 and 870,903.95

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Solution

The fourth proportional to 1,639,574.45, 2,458,647.41 and 870,903.95 is: 1,305,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,574.45 : 2,458,647.41 = 870,903.95 : x
  2. Step 2: Convert to fraction form
    1,639,574.45/2,458,647.41 = 870,903.95/x
  3. Step 3: Cross multiply
    1,639,574.45x = 2,458,647.41 × 870,903.95
  4. Step 4: Simplify right side
    1,639,574.45x = 2,141,245,730,910.29
  5. Step 5: Solve for x
    x = 2,141,245,730,910.29/1,639,574.45
  6. Step 6: Final answer
    x = 1,305,976.52

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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.