Home / 1,639,574.83-2,458,647.97-870,904.32

Finding the Fourth Proportional to 1,639,574.83, 2,458,647.97 and 870,904.32

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Solution

The fourth proportional to 1,639,574.83, 2,458,647.97 and 870,904.32 is: 1,305,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,574.83 : 2,458,647.97 = 870,904.32 : x
  2. Step 2: Convert to fraction form
    1,639,574.83/2,458,647.97 = 870,904.32/x
  3. Step 3: Cross multiply
    1,639,574.83x = 2,458,647.97 × 870,904.32
  4. Step 4: Simplify right side
    1,639,574.83x = 2,141,247,138,432.23
  5. Step 5: Solve for x
    x = 2,141,247,138,432.23/1,639,574.83
  6. Step 6: Final answer
    x = 1,305,977.07

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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.