Finding the Fourth Proportional to 1,090,208.09, 1,635,973.84 and 407,591.93
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Solution
The fourth proportional to 1,090,208.09, 1,635,973.84 and 407,591.93 is: 611,635.29
Step by Step Solution
- Step 1: Write the proportion equation
1,090,208.09 : 1,635,973.84 = 407,591.93 : x - Step 2: Convert to fraction form
1,090,208.09/1,635,973.84 = 407,591.93/x - Step 3: Cross multiply
1,090,208.09x = 1,635,973.84 × 407,591.93 - Step 4: Simplify right side
1,090,208.09x = 666,809,739,474.54 - Step 5: Solve for x
x = 666,809,739,474.54/1,090,208.09 - Step 6: Final answer
x = 611,635.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.