Home / 1,179,219.40-1,769,176.14-380,485.96

Finding the Fourth Proportional to 1,179,219.40, 1,769,176.14 and 380,485.96

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Solution

The fourth proportional to 1,179,219.40, 1,769,176.14 and 380,485.96 is: 570,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,219.40 : 1,769,176.14 = 380,485.96 : x
  2. Step 2: Convert to fraction form
    1,179,219.40/1,769,176.14 = 380,485.96/x
  3. Step 3: Cross multiply
    1,179,219.40x = 1,769,176.14 × 380,485.96
  4. Step 4: Simplify right side
    1,179,219.40x = 673,146,682,036.99
  5. Step 5: Solve for x
    x = 673,146,682,036.99/1,179,219.40
  6. Step 6: Final answer
    x = 570,840.92

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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.