Finding the Fourth Proportional to 1,332,736.75, 1,839,177.93 and 729,124.75
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Solution
The fourth proportional to 1,332,736.75, 1,839,177.93 and 729,124.75 is: 1,006,192.82
Step by Step Solution
- Step 1: Write the proportion equation
1,332,736.75 : 1,839,177.93 = 729,124.75 : x - Step 2: Convert to fraction form
1,332,736.75/1,839,177.93 = 729,124.75/x - Step 3: Cross multiply
1,332,736.75x = 1,839,177.93 × 729,124.75 - Step 4: Simplify right side
1,332,736.75x = 1,340,990,148,416.77 - Step 5: Solve for x
x = 1,340,990,148,416.77/1,332,736.75 - Step 6: Final answer
x = 1,006,192.82
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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.