Finding the Fourth Proportional to 1,193,489.55, 1,647,051.24 and 734,868.75
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Solution
The fourth proportional to 1,193,489.55, 1,647,051.24 and 734,868.75 is: 1,014,140.83
Step by Step Solution
- Step 1: Write the proportion equation
1,193,489.55 : 1,647,051.24 = 734,868.75 : x - Step 2: Convert to fraction form
1,193,489.55/1,647,051.24 = 734,868.75/x - Step 3: Cross multiply
1,193,489.55x = 1,647,051.24 × 734,868.75 - Step 4: Simplify right side
1,193,489.55x = 1,210,366,485,924.75 - Step 5: Solve for x
x = 1,210,366,485,924.75/1,193,489.55 - Step 6: Final answer
x = 1,014,140.83
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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.