Finding the Fourth Proportional to 1,251,534.18, 1,726,628.70 and 816,462.99
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Solution
The fourth proportional to 1,251,534.18, 1,726,628.70 and 816,462.99 is: 1,126,400.26
Step by Step Solution
- Step 1: Write the proportion equation
1,251,534.18 : 1,726,628.70 = 816,462.99 : x - Step 2: Convert to fraction form
1,251,534.18/1,726,628.70 = 816,462.99/x - Step 3: Cross multiply
1,251,534.18x = 1,726,628.70 × 816,462.99 - Step 4: Simplify right side
1,251,534.18x = 1,409,728,431,021.81 - Step 5: Solve for x
x = 1,409,728,431,021.81/1,251,534.18 - Step 6: Final answer
x = 1,126,400.26
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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.