Finding the Fourth Proportional to 1,107,583.08, 1,528,465.32 and 598,285.68
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Solution
The fourth proportional to 1,107,583.08, 1,528,465.32 and 598,285.68 is: 825,634.60
Step by Step Solution
- Step 1: Write the proportion equation
1,107,583.08 : 1,528,465.32 = 598,285.68 : x - Step 2: Convert to fraction form
1,107,583.08/1,528,465.32 = 598,285.68/x - Step 3: Cross multiply
1,107,583.08x = 1,528,465.32 × 598,285.68 - Step 4: Simplify right side
1,107,583.08x = 914,458,913,332.62 - Step 5: Solve for x
x = 914,458,913,332.62/1,107,583.08 - Step 6: Final answer
x = 825,634.60
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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.