Finding the Fourth Proportional to 1,302,319.74, 1,797,159.27 and 721,519.02
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Solution
The fourth proportional to 1,302,319.74, 1,797,159.27 and 721,519.02 is: 995,672.99
Step by Step Solution
- Step 1: Write the proportion equation
1,302,319.74 : 1,797,159.27 = 721,519.02 : x - Step 2: Convert to fraction form
1,302,319.74/1,797,159.27 = 721,519.02/x - Step 3: Cross multiply
1,302,319.74x = 1,797,159.27 × 721,519.02 - Step 4: Simplify right side
1,302,319.74x = 1,296,684,595,274.32 - Step 5: Solve for x
x = 1,296,684,595,274.32/1,302,319.74 - Step 6: Final answer
x = 995,672.99
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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.