Home / 1,628,809.70-2,443,506.15-682,276.10

Finding the Fourth Proportional to 1,628,809.70, 2,443,506.15 and 682,276.10

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Solution

The fourth proportional to 1,628,809.70, 2,443,506.15 and 682,276.10 is: 1,023,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,809.70 : 2,443,506.15 = 682,276.10 : x
  2. Step 2: Convert to fraction form
    1,628,809.70/2,443,506.15 = 682,276.10/x
  3. Step 3: Cross multiply
    1,628,809.70x = 2,443,506.15 × 682,276.10
  4. Step 4: Simplify right side
    1,628,809.70x = 1,667,145,846,348.02
  5. Step 5: Solve for x
    x = 1,667,145,846,348.02/1,628,809.70
  6. Step 6: Final answer
    x = 1,023,536.30

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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.