Finding the Fourth Proportional to 1,003,427.57, 1,384,733.67 and 544,542.05
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Solution
The fourth proportional to 1,003,427.57, 1,384,733.67 and 544,542.05 is: 751,469.99
Step by Step Solution
- Step 1: Write the proportion equation
1,003,427.57 : 1,384,733.67 = 544,542.05 : x - Step 2: Convert to fraction form
1,003,427.57/1,384,733.67 = 544,542.05/x - Step 3: Cross multiply
1,003,427.57x = 1,384,733.67 × 544,542.05 - Step 4: Simplify right side
1,003,427.57x = 754,045,704,442.16 - Step 5: Solve for x
x = 754,045,704,442.16/1,003,427.57 - Step 6: Final answer
x = 751,469.99
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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.