Home / 1,747,639.80-2,621,459.70-682,716.60

Finding the Fourth Proportional to 1,747,639.80, 2,621,459.70 and 682,716.60

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Solution

The fourth proportional to 1,747,639.80, 2,621,459.70 and 682,716.60 is: 1,024,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,639.80 : 2,621,459.70 = 682,716.60 : x
  2. Step 2: Convert to fraction form
    1,747,639.80/2,621,459.70 = 682,716.60/x
  3. Step 3: Cross multiply
    1,747,639.80x = 2,621,459.70 × 682,716.60
  4. Step 4: Simplify right side
    1,747,639.80x = 1,789,714,053,421.02
  5. Step 5: Solve for x
    x = 1,789,714,053,421.02/1,747,639.80
  6. Step 6: Final answer
    x = 1,024,074.90

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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.