Finding the Fourth Proportional to 1,192,998.66, 1,646,948.07 and 920,454.18
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Solution
The fourth proportional to 1,192,998.66, 1,646,948.07 and 920,454.18 is: 1,270,697.35
Step by Step Solution
- Step 1: Write the proportion equation
1,192,998.66 : 1,646,948.07 = 920,454.18 : x - Step 2: Convert to fraction form
1,192,998.66/1,646,948.07 = 920,454.18/x - Step 3: Cross multiply
1,192,998.66x = 1,646,948.07 × 920,454.18 - Step 4: Simplify right side
1,192,998.66x = 1,515,940,235,274.43 - Step 5: Solve for x
x = 1,515,940,235,274.43/1,192,998.66 - Step 6: Final answer
x = 1,270,697.35
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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.