Finding the Fourth Proportional to 1,202,552.64, 1,655,745.84 and 1,020,888
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Solution
The fourth proportional to 1,202,552.64, 1,655,745.84 and 1,020,888 is: 1,405,619.18
Step by Step Solution
- Step 1: Write the proportion equation
1,202,552.64 : 1,655,745.84 = 1,020,888 : x - Step 2: Convert to fraction form
1,202,552.64/1,655,745.84 = 1,020,888/x - Step 3: Cross multiply
1,202,552.64x = 1,655,745.84 × 1,020,888 - Step 4: Simplify right side
1,202,552.64x = 1,690,331,059,105.92 - Step 5: Solve for x
x = 1,690,331,059,105.92/1,202,552.64 - Step 6: Final answer
x = 1,405,619.18
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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.