Finding the Fourth Proportional to 1,247,842.36, 1,722,101.19 and 703,779.64
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Solution
The fourth proportional to 1,247,842.36, 1,722,101.19 and 703,779.64 is: 971,260.31
Step by Step Solution
- Step 1: Write the proportion equation
1,247,842.36 : 1,722,101.19 = 703,779.64 : x - Step 2: Convert to fraction form
1,247,842.36/1,722,101.19 = 703,779.64/x - Step 3: Cross multiply
1,247,842.36x = 1,722,101.19 × 703,779.64 - Step 4: Simplify right side
1,247,842.36x = 1,211,979,755,541.77 - Step 5: Solve for x
x = 1,211,979,755,541.77/1,247,842.36 - Step 6: Final answer
x = 971,260.31
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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.