Finding the Fourth Proportional to 1,353,450.88, 1,866,917.28 and 870,645.44
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Solution
The fourth proportional to 1,353,450.88, 1,866,917.28 and 870,645.44 is: 1,200,947.18
Step by Step Solution
- Step 1: Write the proportion equation
1,353,450.88 : 1,866,917.28 = 870,645.44 : x - Step 2: Convert to fraction form
1,353,450.88/1,866,917.28 = 870,645.44/x - Step 3: Cross multiply
1,353,450.88x = 1,866,917.28 × 870,645.44 - Step 4: Simplify right side
1,353,450.88x = 1,625,423,016,689.20 - Step 5: Solve for x
x = 1,625,423,016,689.20/1,353,450.88 - Step 6: Final answer
x = 1,200,947.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.