Finding the Fourth Proportional to 1,129,052.34, 1,558,093.94 and 612,806.42
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Solution
The fourth proportional to 1,129,052.34, 1,558,093.94 and 612,806.42 is: 845,673.79
Step by Step Solution
- Step 1: Write the proportion equation
1,129,052.34 : 1,558,093.94 = 612,806.42 : x - Step 2: Convert to fraction form
1,129,052.34/1,558,093.94 = 612,806.42/x - Step 3: Cross multiply
1,129,052.34x = 1,558,093.94 × 612,806.42 - Step 4: Simplify right side
1,129,052.34x = 954,809,969,395.10 - Step 5: Solve for x
x = 954,809,969,395.10/1,129,052.34 - Step 6: Final answer
x = 845,673.79
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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.