Finding the Fourth Proportional to 1,252,197.72, 1,728,033.12 and 708,321.96
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Solution
The fourth proportional to 1,252,197.72, 1,728,033.12 and 708,321.96 is: 977,484.46
Step by Step Solution
- Step 1: Write the proportion equation
1,252,197.72 : 1,728,033.12 = 708,321.96 : x - Step 2: Convert to fraction form
1,252,197.72/1,728,033.12 = 708,321.96/x - Step 3: Cross multiply
1,252,197.72x = 1,728,033.12 × 708,321.96 - Step 4: Simplify right side
1,252,197.72x = 1,224,003,806,503.32 - Step 5: Solve for x
x = 1,224,003,806,503.32/1,252,197.72 - Step 6: Final answer
x = 977,484.46
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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.