Finding the Fourth Proportional to 1,093,534.60, 1,509,121.44 and 610,141.99
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Solution
The fourth proportional to 1,093,534.60, 1,509,121.44 and 610,141.99 is: 842,020.32
Step by Step Solution
- Step 1: Write the proportion equation
1,093,534.60 : 1,509,121.44 = 610,141.99 : x - Step 2: Convert to fraction form
1,093,534.60/1,509,121.44 = 610,141.99/x - Step 3: Cross multiply
1,093,534.60x = 1,509,121.44 × 610,141.99 - Step 4: Simplify right side
1,093,534.60x = 920,778,358,553.27 - Step 5: Solve for x
x = 920,778,358,553.27/1,093,534.60 - Step 6: Final answer
x = 842,020.32
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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.