Finding the Fourth Proportional to 1,020,872.67, 1,531,192.38 and 272,976.99
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Solution
The fourth proportional to 1,020,872.67, 1,531,192.38 and 272,976.99 is: 409,434.30
Step by Step Solution
- Step 1: Write the proportion equation
1,020,872.67 : 1,531,192.38 = 272,976.99 : x - Step 2: Convert to fraction form
1,020,872.67/1,531,192.38 = 272,976.99/x - Step 3: Cross multiply
1,020,872.67x = 1,531,192.38 × 272,976.99 - Step 4: Simplify right side
1,020,872.67x = 417,980,287,003.34 - Step 5: Solve for x
x = 417,980,287,003.34/1,020,872.67 - Step 6: Final answer
x = 409,434.30
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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.