Finding the Fourth Proportional to 1,196,421.24, 1,651,021.02 and 712,735.92
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Solution
The fourth proportional to 1,196,421.24, 1,651,021.02 and 712,735.92 is: 983,551.57
Step by Step Solution
- Step 1: Write the proportion equation
1,196,421.24 : 1,651,021.02 = 712,735.92 : x - Step 2: Convert to fraction form
1,196,421.24/1,651,021.02 = 712,735.92/x - Step 3: Cross multiply
1,196,421.24x = 1,651,021.02 × 712,735.92 - Step 4: Simplify right side
1,196,421.24x = 1,176,741,985,629.04 - Step 5: Solve for x
x = 1,176,741,985,629.04/1,196,421.24 - Step 6: Final answer
x = 983,551.57
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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.