Finding the Fourth Proportional to 1,118,221.48, 1,543,104.90 and 608,912.68
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Solution
The fourth proportional to 1,118,221.48, 1,543,104.90 and 608,912.68 is: 840,277.31
Step by Step Solution
- Step 1: Write the proportion equation
1,118,221.48 : 1,543,104.90 = 608,912.68 : x - Step 2: Convert to fraction form
1,118,221.48/1,543,104.90 = 608,912.68/x - Step 3: Cross multiply
1,118,221.48x = 1,543,104.90 × 608,912.68 - Step 4: Simplify right side
1,118,221.48x = 939,616,140,180.13 - Step 5: Solve for x
x = 939,616,140,180.13/1,118,221.48 - Step 6: Final answer
x = 840,277.31
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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.