Finding the Fourth Proportional to 1,151,638.23, 1,589,266.25 and 635,392.09
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Solution
The fourth proportional to 1,151,638.23, 1,589,266.25 and 635,392.09 is: 876,844.12
Step by Step Solution
- Step 1: Write the proportion equation
1,151,638.23 : 1,589,266.25 = 635,392.09 : x - Step 2: Convert to fraction form
1,151,638.23/1,589,266.25 = 635,392.09/x - Step 3: Cross multiply
1,151,638.23x = 1,589,266.25 × 635,392.09 - Step 4: Simplify right side
1,151,638.23x = 1,009,807,200,977.00 - Step 5: Solve for x
x = 1,009,807,200,977.00/1,151,638.23 - Step 6: Final answer
x = 876,844.12
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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.