Home / 1,282,674.87-1,770,017.34-709,680.87

Finding the Fourth Proportional to 1,282,674.87, 1,770,017.34 and 709,680.87

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Solution

The fourth proportional to 1,282,674.87, 1,770,017.34 and 709,680.87 is: 979,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,674.87 : 1,770,017.34 = 709,680.87 : x
  2. Step 2: Convert to fraction form
    1,282,674.87/1,770,017.34 = 709,680.87/x
  3. Step 3: Cross multiply
    1,282,674.87x = 1,770,017.34 × 709,680.87
  4. Step 4: Simplify right side
    1,282,674.87x = 1,256,147,445,766.29
  5. Step 5: Solve for x
    x = 1,256,147,445,766.29/1,282,674.87
  6. Step 6: Final answer
    x = 979,318.67

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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.