Finding the Fourth Proportional to 1,241,804.88, 1,713,305.42 and 725,186.10
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Solution
The fourth proportional to 1,241,804.88, 1,713,305.42 and 725,186.10 is: 1,000,531.80
Step by Step Solution
- Step 1: Write the proportion equation
1,241,804.88 : 1,713,305.42 = 725,186.10 : x - Step 2: Convert to fraction form
1,241,804.88/1,713,305.42 = 725,186.10/x - Step 3: Cross multiply
1,241,804.88x = 1,713,305.42 × 725,186.10 - Step 4: Simplify right side
1,241,804.88x = 1,242,465,263,446.20 - Step 5: Solve for x
x = 1,242,465,263,446.20/1,241,804.88 - Step 6: Final answer
x = 1,000,531.80
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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.