Finding the Fourth Proportional to 1,331,255.68, 1,837,133.76 and 727,643.68
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Solution
The fourth proportional to 1,331,255.68, 1,837,133.76 and 727,643.68 is: 1,004,148.78
Step by Step Solution
- Step 1: Write the proportion equation
1,331,255.68 : 1,837,133.76 = 727,643.68 : x - Step 2: Convert to fraction form
1,331,255.68/1,837,133.76 = 727,643.68/x - Step 3: Cross multiply
1,331,255.68x = 1,837,133.76 × 727,643.68 - Step 4: Simplify right side
1,331,255.68x = 1,336,778,769,778.64 - Step 5: Solve for x
x = 1,336,778,769,778.64/1,331,255.68 - Step 6: Final answer
x = 1,004,148.78
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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.