Finding the Fourth Proportional to 1,042,367.10, 1,566,891.45 and 968,408.70
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Solution
The fourth proportional to 1,042,367.10, 1,566,891.45 and 968,408.70 is: 1,455,716.81
Step by Step Solution
- Step 1: Write the proportion equation
1,042,367.10 : 1,566,891.45 = 968,408.70 : x - Step 2: Convert to fraction form
1,042,367.10/1,566,891.45 = 968,408.70/x - Step 3: Cross multiply
1,042,367.10x = 1,566,891.45 × 968,408.70 - Step 4: Simplify right side
1,042,367.10x = 1,517,391,312,135.62 - Step 5: Solve for x
x = 1,517,391,312,135.62/1,042,367.10 - Step 6: Final answer
x = 1,455,716.81
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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.