Finding the Fourth Proportional to 1,135,321.11, 1,565,115.48 and 893,183.76
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Solution
The fourth proportional to 1,135,321.11, 1,565,115.48 and 893,183.76 is: 1,231,313.08
Step by Step Solution
- Step 1: Write the proportion equation
1,135,321.11 : 1,565,115.48 = 893,183.76 : x - Step 2: Convert to fraction form
1,135,321.11/1,565,115.48 = 893,183.76/x - Step 3: Cross multiply
1,135,321.11x = 1,565,115.48 × 893,183.76 - Step 4: Simplify right side
1,135,321.11x = 1,397,935,729,260.60 - Step 5: Solve for x
x = 1,397,935,729,260.60/1,135,321.11 - Step 6: Final answer
x = 1,231,313.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.