Finding the Fourth Proportional to 1,268,868.24, 1,749,342.42 and 1,008,087.93
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Solution
The fourth proportional to 1,268,868.24, 1,749,342.42 and 1,008,087.93 is: 1,389,814.11
Step by Step Solution
- Step 1: Write the proportion equation
1,268,868.24 : 1,749,342.42 = 1,008,087.93 : x - Step 2: Convert to fraction form
1,268,868.24/1,749,342.42 = 1,008,087.93/x - Step 3: Cross multiply
1,268,868.24x = 1,749,342.42 × 1,008,087.93 - Step 4: Simplify right side
1,268,868.24x = 1,763,490,979,038.99 - Step 5: Solve for x
x = 1,763,490,979,038.99/1,268,868.24 - Step 6: Final answer
x = 1,389,814.11
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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.