Home / 1,582,084.82-2,183,277.68-856,930.30

Finding the Fourth Proportional to 1,582,084.82, 2,183,277.68 and 856,930.30

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Solution

The fourth proportional to 1,582,084.82, 2,183,277.68 and 856,930.30 is: 1,182,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,084.82 : 2,183,277.68 = 856,930.30 : x
  2. Step 2: Convert to fraction form
    1,582,084.82/2,183,277.68 = 856,930.30/x
  3. Step 3: Cross multiply
    1,582,084.82x = 2,183,277.68 × 856,930.30
  4. Step 4: Simplify right side
    1,582,084.82x = 1,870,916,792,039.06
  5. Step 5: Solve for x
    x = 1,870,916,792,039.06/1,582,084.82
  6. Step 6: Final answer
    x = 1,182,564.15

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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.