Home / 1,673,269.11-2,309,136.30-909,323.28

Finding the Fourth Proportional to 1,673,269.11, 2,309,136.30 and 909,323.28

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Solution

The fourth proportional to 1,673,269.11, 2,309,136.30 and 909,323.28 is: 1,254,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,269.11 : 2,309,136.30 = 909,323.28 : x
  2. Step 2: Convert to fraction form
    1,673,269.11/2,309,136.30 = 909,323.28/x
  3. Step 3: Cross multiply
    1,673,269.11x = 2,309,136.30 × 909,323.28
  4. Step 4: Simplify right side
    1,673,269.11x = 2,099,751,394,283.06
  5. Step 5: Solve for x
    x = 2,099,751,394,283.06/1,673,269.11
  6. Step 6: Final answer
    x = 1,254,879.67

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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.