Finding the Fourth Proportional to 1,284,401.91, 1,772,532.99 and 711,442.02
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Solution
The fourth proportional to 1,284,401.91, 1,772,532.99 and 711,442.02 is: 981,822.31
Step by Step Solution
- Step 1: Write the proportion equation
1,284,401.91 : 1,772,532.99 = 711,442.02 : x - Step 2: Convert to fraction form
1,284,401.91/1,772,532.99 = 711,442.02/x - Step 3: Cross multiply
1,284,401.91x = 1,772,532.99 × 711,442.02 - Step 4: Simplify right side
1,284,401.91x = 1,261,054,450,922.24 - Step 5: Solve for x
x = 1,261,054,450,922.24/1,284,401.91 - Step 6: Final answer
x = 981,822.31
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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.