Finding the Fourth Proportional to 1,167,876.36, 1,612,106.42 and 909,240.84
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Solution
The fourth proportional to 1,167,876.36, 1,612,106.42 and 909,240.84 is: 1,255,092.62
Step by Step Solution
- Step 1: Write the proportion equation
1,167,876.36 : 1,612,106.42 = 909,240.84 : x - Step 2: Convert to fraction form
1,167,876.36/1,612,106.42 = 909,240.84/x - Step 3: Cross multiply
1,167,876.36x = 1,612,106.42 × 909,240.84 - Step 4: Simplify right side
1,167,876.36x = 1,465,792,995,490.19 - Step 5: Solve for x
x = 1,465,792,995,490.19/1,167,876.36 - Step 6: Final answer
x = 1,255,092.62
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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.