Home / 1,438,993.73-2,156,051.70-869,177.67

Finding the Fourth Proportional to 1,438,993.73, 2,156,051.70 and 869,177.67

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Solution

The fourth proportional to 1,438,993.73, 2,156,051.70 and 869,177.67 is: 1,302,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,993.73 : 2,156,051.70 = 869,177.67 : x
  2. Step 2: Convert to fraction form
    1,438,993.73/2,156,051.70 = 869,177.67/x
  3. Step 3: Cross multiply
    1,438,993.73x = 2,156,051.70 × 869,177.67
  4. Step 4: Simplify right side
    1,438,993.73x = 1,873,991,993,005.54
  5. Step 5: Solve for x
    x = 1,873,991,993,005.54/1,438,993.73
  6. Step 6: Final answer
    x = 1,302,293.37

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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.