Home / 1,222,676.34-1,687,299.46-764,057.38

Finding the Fourth Proportional to 1,222,676.34, 1,687,299.46 and 764,057.38

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Solution

The fourth proportional to 1,222,676.34, 1,687,299.46 and 764,057.38 is: 1,054,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,676.34 : 1,687,299.46 = 764,057.38 : x
  2. Step 2: Convert to fraction form
    1,222,676.34/1,687,299.46 = 764,057.38/x
  3. Step 3: Cross multiply
    1,222,676.34x = 1,687,299.46 × 764,057.38
  4. Step 4: Simplify right side
    1,222,676.34x = 1,289,193,604,683.01
  5. Step 5: Solve for x
    x = 1,289,193,604,683.01/1,222,676.34
  6. Step 6: Final answer
    x = 1,054,403.00

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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.