Finding the Fourth Proportional to 1,257,277.01, 1,735,079.87 and 774,120.92
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Solution
The fourth proportional to 1,257,277.01, 1,735,079.87 and 774,120.92 is: 1,068,310.02
Step by Step Solution
- Step 1: Write the proportion equation
1,257,277.01 : 1,735,079.87 = 774,120.92 : x - Step 2: Convert to fraction form
1,257,277.01/1,735,079.87 = 774,120.92/x - Step 3: Cross multiply
1,257,277.01x = 1,735,079.87 × 774,120.92 - Step 4: Simplify right side
1,257,277.01x = 1,343,161,618,497.78 - Step 5: Solve for x
x = 1,343,161,618,497.78/1,257,277.01 - Step 6: Final answer
x = 1,068,310.02
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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.