Finding the Fourth Proportional to 1,088,972.16, 1,633,536 and 290,249.52
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Solution
The fourth proportional to 1,088,972.16, 1,633,536 and 290,249.52 is: 435,395.01
Step by Step Solution
- Step 1: Write the proportion equation
1,088,972.16 : 1,633,536 = 290,249.52 : x - Step 2: Convert to fraction form
1,088,972.16/1,633,536 = 290,249.52/x - Step 3: Cross multiply
1,088,972.16x = 1,633,536 × 290,249.52 - Step 4: Simplify right side
1,088,972.16x = 474,133,039,902.72 - Step 5: Solve for x
x = 474,133,039,902.72/1,088,972.16 - Step 6: Final answer
x = 435,395.01
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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.