Finding the Fourth Proportional to 1,151,639.23, 1,589,267.63 and 635,393.09
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Solution
The fourth proportional to 1,151,639.23, 1,589,267.63 and 635,393.09 is: 876,845.49
Step by Step Solution
- Step 1: Write the proportion equation
1,151,639.23 : 1,589,267.63 = 635,393.09 : x - Step 2: Convert to fraction form
1,151,639.23/1,589,267.63 = 635,393.09/x - Step 3: Cross multiply
1,151,639.23x = 1,589,267.63 × 635,393.09 - Step 4: Simplify right side
1,151,639.23x = 1,009,809,670,262.68 - Step 5: Solve for x
x = 1,009,809,670,262.68/1,151,639.23 - Step 6: Final answer
x = 876,845.49
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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.