Finding the Fourth Proportional to 1,189,444.12, 1,784,150.70 and 290,893.63
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Solution
The fourth proportional to 1,189,444.12, 1,784,150.70 and 290,893.63 is: 436,336.66
Step by Step Solution
- Step 1: Write the proportion equation
1,189,444.12 : 1,784,150.70 = 290,893.63 : x - Step 2: Convert to fraction form
1,189,444.12/1,784,150.70 = 290,893.63/x - Step 3: Cross multiply
1,189,444.12x = 1,784,150.70 × 290,893.63 - Step 4: Simplify right side
1,189,444.12x = 518,998,073,590.04 - Step 5: Solve for x
x = 518,998,073,590.04/1,189,444.12 - Step 6: Final answer
x = 436,336.66
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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.