Finding the Fourth Proportional to 1,503,411.26, 2,255,448.60 and 438,536.66
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Solution
The fourth proportional to 1,503,411.26, 2,255,448.60 and 438,536.66 is: 657,901.75
Step by Step Solution
- Step 1: Write the proportion equation
1,503,411.26 : 2,255,448.60 = 438,536.66 : x - Step 2: Convert to fraction form
1,503,411.26/2,255,448.60 = 438,536.66/x - Step 3: Cross multiply
1,503,411.26x = 2,255,448.60 × 438,536.66 - Step 4: Simplify right side
1,503,411.26x = 989,096,895,845.68 - Step 5: Solve for x
x = 989,096,895,845.68/1,503,411.26 - Step 6: Final answer
x = 657,901.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.