Finding the Fourth Proportional to 1,331,239.68, 1,837,111.68 and 727,627.68
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Solution
The fourth proportional to 1,331,239.68, 1,837,111.68 and 727,627.68 is: 1,004,126.70
Step by Step Solution
- Step 1: Write the proportion equation
1,331,239.68 : 1,837,111.68 = 727,627.68 : x - Step 2: Convert to fraction form
1,331,239.68/1,837,111.68 = 727,627.68/x - Step 3: Cross multiply
1,331,239.68x = 1,837,111.68 × 727,627.68 - Step 4: Simplify right side
1,331,239.68x = 1,336,733,309,619.30 - Step 5: Solve for x
x = 1,336,733,309,619.30/1,331,239.68 - Step 6: Final answer
x = 1,004,126.70
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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.