Finding the Fourth Proportional to 1,341,405.62, 1,850,349.92 and 843,896.87
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Solution
The fourth proportional to 1,341,405.62, 1,850,349.92 and 843,896.87 is: 1,164,080.78
Step by Step Solution
- Step 1: Write the proportion equation
1,341,405.62 : 1,850,349.92 = 843,896.87 : x - Step 2: Convert to fraction form
1,341,405.62/1,850,349.92 = 843,896.87/x - Step 3: Cross multiply
1,341,405.62x = 1,850,349.92 × 843,896.87 - Step 4: Simplify right side
1,341,405.62x = 1,561,504,492,421.52 - Step 5: Solve for x
x = 1,561,504,492,421.52/1,341,405.62 - Step 6: Final answer
x = 1,164,080.78
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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.