Home / 1,183,431.60-1,776,022.20-783,939.60

Finding the Fourth Proportional to 1,183,431.60, 1,776,022.20 and 783,939.60

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Solution

The fourth proportional to 1,183,431.60, 1,776,022.20 and 783,939.60 is: 1,176,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,431.60 : 1,776,022.20 = 783,939.60 : x
  2. Step 2: Convert to fraction form
    1,183,431.60/1,776,022.20 = 783,939.60/x
  3. Step 3: Cross multiply
    1,183,431.60x = 1,776,022.20 × 783,939.60
  4. Step 4: Simplify right side
    1,183,431.60x = 1,392,294,133,059.12
  5. Step 5: Solve for x
    x = 1,392,294,133,059.12/1,183,431.60
  6. Step 6: Final answer
    x = 1,176,488.89

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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.