Home / 1,510,621.54-2,084,684.31-822,313.19

Finding the Fourth Proportional to 1,510,621.54, 2,084,684.31 and 822,313.19

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Solution

The fourth proportional to 1,510,621.54, 2,084,684.31 and 822,313.19 is: 1,134,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,621.54 : 2,084,684.31 = 822,313.19 : x
  2. Step 2: Convert to fraction form
    1,510,621.54/2,084,684.31 = 822,313.19/x
  3. Step 3: Cross multiply
    1,510,621.54x = 2,084,684.31 × 822,313.19
  4. Step 4: Simplify right side
    1,510,621.54x = 1,714,263,410,310.76
  5. Step 5: Solve for x
    x = 1,714,263,410,310.76/1,510,621.54
  6. Step 6: Final answer
    x = 1,134,806.68

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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.