Finding the Fourth Proportional to 1,257,271.26, 1,735,367.86 and 774,241.12
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Solution
The fourth proportional to 1,257,271.26, 1,735,367.86 and 774,241.12 is: 1,068,658.13
Step by Step Solution
- Step 1: Write the proportion equation
1,257,271.26 : 1,735,367.86 = 774,241.12 : x - Step 2: Convert to fraction form
1,257,271.26/1,735,367.86 = 774,241.12/x - Step 3: Cross multiply
1,257,271.26x = 1,735,367.86 × 774,241.12 - Step 4: Simplify right side
1,257,271.26x = 1,343,593,155,538.40 - Step 5: Solve for x
x = 1,343,593,155,538.40/1,257,271.26 - Step 6: Final answer
x = 1,068,658.13
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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.