Finding the Fourth Proportional to 1,055,850.19, 1,458,276.11 and 715,727.95
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Solution
The fourth proportional to 1,055,850.19, 1,458,276.11 and 715,727.95 is: 988,519.94
Step by Step Solution
- Step 1: Write the proportion equation
1,055,850.19 : 1,458,276.11 = 715,727.95 : x - Step 2: Convert to fraction form
1,055,850.19/1,458,276.11 = 715,727.95/x - Step 3: Cross multiply
1,055,850.19x = 1,458,276.11 × 715,727.95 - Step 4: Simplify right side
1,055,850.19x = 1,043,728,966,203.92 - Step 5: Solve for x
x = 1,043,728,966,203.92/1,055,850.19 - Step 6: Final answer
x = 988,519.94
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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.