Home / 1,682,580.64-2,321,949.16-918,634.20

Finding the Fourth Proportional to 1,682,580.64, 2,321,949.16 and 918,634.20

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Solution

The fourth proportional to 1,682,580.64, 2,321,949.16 and 918,634.20 is: 1,267,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,580.64 : 2,321,949.16 = 918,634.20 : x
  2. Step 2: Convert to fraction form
    1,682,580.64/2,321,949.16 = 918,634.20/x
  3. Step 3: Cross multiply
    1,682,580.64x = 2,321,949.16 × 918,634.20
  4. Step 4: Simplify right side
    1,682,580.64x = 2,133,021,892,834.36
  5. Step 5: Solve for x
    x = 2,133,021,892,834.36/1,682,580.64
  6. Step 6: Final answer
    x = 1,267,708.57

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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.