Finding the Fourth Proportional to 1,235,879.40, 1,852,436.70 and 703,655.40
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Solution
The fourth proportional to 1,235,879.40, 1,852,436.70 and 703,655.40 is: 1,054,696.02
Step by Step Solution
- Step 1: Write the proportion equation
1,235,879.40 : 1,852,436.70 = 703,655.40 : x - Step 2: Convert to fraction form
1,235,879.40/1,852,436.70 = 703,655.40/x - Step 3: Cross multiply
1,235,879.40x = 1,852,436.70 × 703,655.40 - Step 4: Simplify right side
1,235,879.40x = 1,303,477,087,113.18 - Step 5: Solve for x
x = 1,303,477,087,113.18/1,235,879.40 - Step 6: Final answer
x = 1,054,696.02
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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.