Finding the Fourth Proportional to 1,091,991.48, 1,506,953.29 and 633,377.58
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Solution
The fourth proportional to 1,091,991.48, 1,506,953.29 and 633,377.58 is: 874,063.99
Step by Step Solution
- Step 1: Write the proportion equation
1,091,991.48 : 1,506,953.29 = 633,377.58 : x - Step 2: Convert to fraction form
1,091,991.48/1,506,953.29 = 633,377.58/x - Step 3: Cross multiply
1,091,991.48x = 1,506,953.29 × 633,377.58 - Step 4: Simplify right side
1,091,991.48x = 954,470,431,705.22 - Step 5: Solve for x
x = 954,470,431,705.22/1,091,991.48 - Step 6: Final answer
x = 874,063.99
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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.