Home / 1,018,609.80-1,529,546.70-809,982.60

Finding the Fourth Proportional to 1,018,609.80, 1,529,546.70 and 809,982.60

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Solution

The fourth proportional to 1,018,609.80, 1,529,546.70 and 809,982.60 is: 1,216,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,609.80 : 1,529,546.70 = 809,982.60 : x
  2. Step 2: Convert to fraction form
    1,018,609.80/1,529,546.70 = 809,982.60/x
  3. Step 3: Cross multiply
    1,018,609.80x = 1,529,546.70 × 809,982.60
  4. Step 4: Simplify right side
    1,018,609.80x = 1,238,906,212,887.42
  5. Step 5: Solve for x
    x = 1,238,906,212,887.42/1,018,609.80
  6. Step 6: Final answer
    x = 1,216,271.64

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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.