Finding the Fourth Proportional to 1,119,572.12, 1,544,522.99 and 711,455.44
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Solution
The fourth proportional to 1,119,572.12, 1,544,522.99 and 711,455.44 is: 981,499.33
Step by Step Solution
- Step 1: Write the proportion equation
1,119,572.12 : 1,544,522.99 = 711,455.44 : x - Step 2: Convert to fraction form
1,119,572.12/1,544,522.99 = 711,455.44/x - Step 3: Cross multiply
1,119,572.12x = 1,544,522.99 × 711,455.44 - Step 4: Simplify right side
1,119,572.12x = 1,098,859,276,021.98 - Step 5: Solve for x
x = 1,098,859,276,021.98/1,119,572.12 - Step 6: Final answer
x = 981,499.33
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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.