Home / 1,297,776.62-1,947,080.78-908,688.33

Finding the Fourth Proportional to 1,297,776.62, 1,947,080.78 and 908,688.33

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Solution

The fourth proportional to 1,297,776.62, 1,947,080.78 and 908,688.33 is: 1,363,323.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,776.62 : 1,947,080.78 = 908,688.33 : x
  2. Step 2: Convert to fraction form
    1,297,776.62/1,947,080.78 = 908,688.33/x
  3. Step 3: Cross multiply
    1,297,776.62x = 1,947,080.78 × 908,688.33
  4. Step 4: Simplify right side
    1,297,776.62x = 1,769,289,582,353.30
  5. Step 5: Solve for x
    x = 1,769,289,582,353.30/1,297,776.62
  6. Step 6: Final answer
    x = 1,363,323.67

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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.