Finding the Fourth Proportional to 1,118,201.75, 1,675,750.81 and 509,502.48
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Solution
The fourth proportional to 1,118,201.75, 1,675,750.81 and 509,502.48 is: 763,546.64
Step by Step Solution
- Step 1: Write the proportion equation
1,118,201.75 : 1,675,750.81 = 509,502.48 : x - Step 2: Convert to fraction form
1,118,201.75/1,675,750.81 = 509,502.48/x - Step 3: Cross multiply
1,118,201.75x = 1,675,750.81 × 509,502.48 - Step 4: Simplify right side
1,118,201.75x = 853,799,193,557.01 - Step 5: Solve for x
x = 853,799,193,557.01/1,118,201.75 - Step 6: Final answer
x = 763,546.64
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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.