Home / 1,438,995.73-2,156,054.70-869,179.67

Finding the Fourth Proportional to 1,438,995.73, 2,156,054.70 and 869,179.67

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Solution

The fourth proportional to 1,438,995.73, 2,156,054.70 and 869,179.67 is: 1,302,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,995.73 : 2,156,054.70 = 869,179.67 : x
  2. Step 2: Convert to fraction form
    1,438,995.73/2,156,054.70 = 869,179.67/x
  3. Step 3: Cross multiply
    1,438,995.73x = 2,156,054.70 × 869,179.67
  4. Step 4: Simplify right side
    1,438,995.73x = 1,873,998,912,647.95
  5. Step 5: Solve for x
    x = 1,873,998,912,647.95/1,438,995.73
  6. Step 6: Final answer
    x = 1,302,296.37

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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.