Finding the Fourth Proportional to 1,185,292.96, 1,635,715.80 and 641,440.04
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Solution
The fourth proportional to 1,185,292.96, 1,635,715.80 and 641,440.04 is: 885,193.48
Step by Step Solution
- Step 1: Write the proportion equation
1,185,292.96 : 1,635,715.80 = 641,440.04 : x - Step 2: Convert to fraction form
1,185,292.96/1,635,715.80 = 641,440.04/x - Step 3: Cross multiply
1,185,292.96x = 1,635,715.80 × 641,440.04 - Step 4: Simplify right side
1,185,292.96x = 1,049,213,600,002.05 - Step 5: Solve for x
x = 1,049,213,600,002.05/1,185,292.96 - Step 6: Final answer
x = 885,193.48
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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.