Finding the Fourth Proportional to 1,124,219.97, 1,551,573.63 and 634,290.05
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Solution
The fourth proportional to 1,124,219.97, 1,551,573.63 and 634,290.05 is: 875,404.94
Step by Step Solution
- Step 1: Write the proportion equation
1,124,219.97 : 1,551,573.63 = 634,290.05 : x - Step 2: Convert to fraction form
1,124,219.97/1,551,573.63 = 634,290.05/x - Step 3: Cross multiply
1,124,219.97x = 1,551,573.63 × 634,290.05 - Step 4: Simplify right side
1,124,219.97x = 984,147,719,230.32 - Step 5: Solve for x
x = 984,147,719,230.32/1,124,219.97 - Step 6: Final answer
x = 875,404.94
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1.5x scale
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.