Home / 1,286,628.50-1,775,549.10-713,668.67

Finding the Fourth Proportional to 1,286,628.50, 1,775,549.10 and 713,668.67

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Solution

The fourth proportional to 1,286,628.50, 1,775,549.10 and 713,668.67 is: 984,863.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,628.50 : 1,775,549.10 = 713,668.67 : x
  2. Step 2: Convert to fraction form
    1,286,628.50/1,775,549.10 = 713,668.67/x
  3. Step 3: Cross multiply
    1,286,628.50x = 1,775,549.10 × 713,668.67
  4. Step 4: Simplify right side
    1,286,628.50x = 1,267,153,770,142.96
  5. Step 5: Solve for x
    x = 1,267,153,770,142.96/1,286,628.50
  6. Step 6: Final answer
    x = 984,863.75

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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.