Finding the Fourth Proportional to 1,131,899.68, 1,560,953.68 and 744,029.92
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Solution
The fourth proportional to 1,131,899.68, 1,560,953.68 and 744,029.92 is: 1,026,059.34
Step by Step Solution
- Step 1: Write the proportion equation
1,131,899.68 : 1,560,953.68 = 744,029.92 : x - Step 2: Convert to fraction form
1,131,899.68/1,560,953.68 = 744,029.92/x - Step 3: Cross multiply
1,131,899.68x = 1,560,953.68 × 744,029.92 - Step 4: Simplify right side
1,131,899.68x = 1,161,396,241,654.11 - Step 5: Solve for x
x = 1,161,396,241,654.11/1,131,899.68 - Step 6: Final answer
x = 1,026,059.34
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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.