Finding the Fourth Proportional to 1,199,745.59, 1,655,668.56 and 716,352.98
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Solution
The fourth proportional to 1,199,745.59, 1,655,668.56 and 716,352.98 is: 988,578.84
Step by Step Solution
- Step 1: Write the proportion equation
1,199,745.59 : 1,655,668.56 = 716,352.98 : x - Step 2: Convert to fraction form
1,199,745.59/1,655,668.56 = 716,352.98/x - Step 3: Cross multiply
1,199,745.59x = 1,655,668.56 × 716,352.98 - Step 4: Simplify right side
1,199,745.59x = 1,186,043,098,569.97 - Step 5: Solve for x
x = 1,186,043,098,569.97/1,199,745.59 - Step 6: Final answer
x = 988,578.84
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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.