Home / 1,267,945.43-1,749,944.12-784,666.22

Finding the Fourth Proportional to 1,267,945.43, 1,749,944.12 and 784,666.22

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Solution

The fourth proportional to 1,267,945.43, 1,749,944.12 and 784,666.22 is: 1,082,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,945.43 : 1,749,944.12 = 784,666.22 : x
  2. Step 2: Convert to fraction form
    1,267,945.43/1,749,944.12 = 784,666.22/x
  3. Step 3: Cross multiply
    1,267,945.43x = 1,749,944.12 × 784,666.22
  4. Step 4: Simplify right side
    1,267,945.43x = 1,373,122,033,928.30
  5. Step 5: Solve for x
    x = 1,373,122,033,928.30/1,267,945.43
  6. Step 6: Final answer
    x = 1,082,950.42

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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.