Home / 1,262,192.92-1,891,886.99-961,682.78

Finding the Fourth Proportional to 1,262,192.92, 1,891,886.99 and 961,682.78

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Solution

The fourth proportional to 1,262,192.92, 1,891,886.99 and 961,682.78 is: 1,441,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,192.92 : 1,891,886.99 = 961,682.78 : x
  2. Step 2: Convert to fraction form
    1,262,192.92/1,891,886.99 = 961,682.78/x
  3. Step 3: Cross multiply
    1,262,192.92x = 1,891,886.99 × 961,682.78
  4. Step 4: Simplify right side
    1,262,192.92x = 1,819,395,139,989.03
  5. Step 5: Solve for x
    x = 1,819,395,139,989.03/1,262,192.92
  6. Step 6: Final answer
    x = 1,441,455.67

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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.