Finding the Fourth Proportional to 1,120,688.26, 1,546,542.46 and 637,253.44
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Solution
The fourth proportional to 1,120,688.26, 1,546,542.46 and 637,253.44 is: 879,405.57
Step by Step Solution
- Step 1: Write the proportion equation
1,120,688.26 : 1,546,542.46 = 637,253.44 : x - Step 2: Convert to fraction form
1,120,688.26/1,546,542.46 = 637,253.44/x - Step 3: Cross multiply
1,120,688.26x = 1,546,542.46 × 637,253.44 - Step 4: Simplify right side
1,120,688.26x = 985,539,502,741.06 - Step 5: Solve for x
x = 985,539,502,741.06/1,120,688.26 - Step 6: Final answer
x = 879,405.57
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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.