Home / 1,420,430.94-1,960,183.05-775,851.54

Finding the Fourth Proportional to 1,420,430.94, 1,960,183.05 and 775,851.54

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Solution

The fourth proportional to 1,420,430.94, 1,960,183.05 and 775,851.54 is: 1,070,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,430.94 : 1,960,183.05 = 775,851.54 : x
  2. Step 2: Convert to fraction form
    1,420,430.94/1,960,183.05 = 775,851.54/x
  3. Step 3: Cross multiply
    1,420,430.94x = 1,960,183.05 × 775,851.54
  4. Step 4: Simplify right side
    1,420,430.94x = 1,520,811,038,024.40
  5. Step 5: Solve for x
    x = 1,520,811,038,024.40/1,420,430.94
  6. Step 6: Final answer
    x = 1,070,668.76

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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.