Finding the Fourth Proportional to 1,082,439.05, 1,493,790.26 and 701,129.52
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Solution
The fourth proportional to 1,082,439.05, 1,493,790.26 and 701,129.52 is: 967,574.52
Step by Step Solution
- Step 1: Write the proportion equation
1,082,439.05 : 1,493,790.26 = 701,129.52 : x - Step 2: Convert to fraction form
1,082,439.05/1,493,790.26 = 701,129.52/x - Step 3: Cross multiply
1,082,439.05x = 1,493,790.26 × 701,129.52 - Step 4: Simplify right side
1,082,439.05x = 1,047,340,444,468.83 - Step 5: Solve for x
x = 1,047,340,444,468.83/1,082,439.05 - Step 6: Final answer
x = 967,574.52
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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.