Home / 1,267,945.67-1,749,944.45-784,666.46

Finding the Fourth Proportional to 1,267,945.67, 1,749,944.45 and 784,666.46

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Solution

The fourth proportional to 1,267,945.67, 1,749,944.45 and 784,666.46 is: 1,082,950.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,945.67 : 1,749,944.45 = 784,666.46 : x
  2. Step 2: Convert to fraction form
    1,267,945.67/1,749,944.45 = 784,666.46/x
  3. Step 3: Cross multiply
    1,267,945.67x = 1,749,944.45 × 784,666.46
  4. Step 4: Simplify right side
    1,267,945.67x = 1,373,122,723,114.67
  5. Step 5: Solve for x
    x = 1,373,122,723,114.67/1,267,945.67
  6. Step 6: Final answer
    x = 1,082,950.75

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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.