Finding the Fourth Proportional to 1,026,456.57, 1,539,770.99 and 378,209.25
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Solution
The fourth proportional to 1,026,456.57, 1,539,770.99 and 378,209.25 is: 567,345.61
Step by Step Solution
- Step 1: Write the proportion equation
1,026,456.57 : 1,539,770.99 = 378,209.25 : x - Step 2: Convert to fraction form
1,026,456.57/1,539,770.99 = 378,209.25/x - Step 3: Cross multiply
1,026,456.57x = 1,539,770.99 × 378,209.25 - Step 4: Simplify right side
1,026,456.57x = 582,355,629,408.61 - Step 5: Solve for x
x = 582,355,629,408.61/1,026,456.57 - Step 6: Final answer
x = 567,345.61
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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.