Finding the Fourth Proportional to 1,326,342.96, 1,988,097.84 and 756,496.92
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Solution
The fourth proportional to 1,326,342.96, 1,988,097.84 and 756,496.92 is: 1,133,937.40
Step by Step Solution
- Step 1: Write the proportion equation
1,326,342.96 : 1,988,097.84 = 756,496.92 : x - Step 2: Convert to fraction form
1,326,342.96/1,988,097.84 = 756,496.92/x - Step 3: Cross multiply
1,326,342.96x = 1,988,097.84 × 756,496.92 - Step 4: Simplify right side
1,326,342.96x = 1,503,989,892,618.65 - Step 5: Solve for x
x = 1,503,989,892,618.65/1,326,342.96 - Step 6: Final answer
x = 1,133,937.40
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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.