Home / 1,809,706.70-2,715,544.20-744,856.40

Finding the Fourth Proportional to 1,809,706.70, 2,715,544.20 and 744,856.40

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Solution

The fourth proportional to 1,809,706.70, 2,715,544.20 and 744,856.40 is: 1,117,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,706.70 : 2,715,544.20 = 744,856.40 : x
  2. Step 2: Convert to fraction form
    1,809,706.70/2,715,544.20 = 744,856.40/x
  3. Step 3: Cross multiply
    1,809,706.70x = 2,715,544.20 × 744,856.40
  4. Step 4: Simplify right side
    1,809,706.70x = 2,022,690,476,852.88
  5. Step 5: Solve for x
    x = 2,022,690,476,852.88/1,809,706.70
  6. Step 6: Final answer
    x = 1,117,689.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.