Finding the Fourth Proportional to 1,257,742.26, 1,735,637.76 and 684,770.94
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Solution
The fourth proportional to 1,257,742.26, 1,735,637.76 and 684,770.94 is: 944,958.55
Step by Step Solution
- Step 1: Write the proportion equation
1,257,742.26 : 1,735,637.76 = 684,770.94 : x - Step 2: Convert to fraction form
1,257,742.26/1,735,637.76 = 684,770.94/x - Step 3: Cross multiply
1,257,742.26x = 1,735,637.76 × 684,770.94 - Step 4: Simplify right side
1,257,742.26x = 1,188,514,300,414.69 - Step 5: Solve for x
x = 1,188,514,300,414.69/1,257,742.26 - Step 6: Final answer
x = 944,958.55
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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.