Home / 1,179,573.75-1,768,911.01-421,273.62

Finding the Fourth Proportional to 1,179,573.75, 1,768,911.01 and 421,273.62

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Solution

The fourth proportional to 1,179,573.75, 1,768,911.01 and 421,273.62 is: 631,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,573.75 : 1,768,911.01 = 421,273.62 : x
  2. Step 2: Convert to fraction form
    1,179,573.75/1,768,911.01 = 421,273.62/x
  3. Step 3: Cross multiply
    1,179,573.75x = 1,768,911.01 × 421,273.62
  4. Step 4: Simplify right side
    1,179,573.75x = 745,195,543,587.37
  5. Step 5: Solve for x
    x = 745,195,543,587.37/1,179,573.75
  6. Step 6: Final answer
    x = 631,749.85

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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.