Finding the Fourth Proportional to 1,225,818.97, 1,691,685 and 1,021,528.06
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Solution
The fourth proportional to 1,225,818.97, 1,691,685 and 1,021,528.06 is: 1,409,754.41
Step by Step Solution
- Step 1: Write the proportion equation
1,225,818.97 : 1,691,685 = 1,021,528.06 : x - Step 2: Convert to fraction form
1,225,818.97/1,691,685 = 1,021,528.06/x - Step 3: Cross multiply
1,225,818.97x = 1,691,685 × 1,021,528.06 - Step 4: Simplify right side
1,225,818.97x = 1,728,103,691,951.89 - Step 5: Solve for x
x = 1,728,103,691,951.89/1,225,818.97 - Step 6: Final answer
x = 1,409,754.41
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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.