Finding the Fourth Proportional to 1,276,976.95, 1,762,227.62 and 733,147.81
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Solution
The fourth proportional to 1,276,976.95, 1,762,227.62 and 733,147.81 is: 1,011,743.65
Step by Step Solution
- Step 1: Write the proportion equation
1,276,976.95 : 1,762,227.62 = 733,147.81 : x - Step 2: Convert to fraction form
1,276,976.95/1,762,227.62 = 733,147.81/x - Step 3: Cross multiply
1,276,976.95x = 1,762,227.62 × 733,147.81 - Step 4: Simplify right side
1,276,976.95x = 1,291,973,320,324.51 - Step 5: Solve for x
x = 1,291,973,320,324.51/1,276,976.95 - Step 6: Final answer
x = 1,011,743.65
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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.