Finding the Fourth Proportional to 1,296,899.24, 1,789,714.08 and 753,168.68
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Solution
The fourth proportional to 1,296,899.24, 1,789,714.08 and 753,168.68 is: 1,039,368.79
Step by Step Solution
- Step 1: Write the proportion equation
1,296,899.24 : 1,789,714.08 = 753,168.68 : x - Step 2: Convert to fraction form
1,296,899.24/1,789,714.08 = 753,168.68/x - Step 3: Cross multiply
1,296,899.24x = 1,789,714.08 × 753,168.68 - Step 4: Simplify right side
1,296,899.24x = 1,347,956,591,211.01 - Step 5: Solve for x
x = 1,347,956,591,211.01/1,296,899.24 - Step 6: Final answer
x = 1,039,368.79
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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.