Finding the Fourth Proportional to 1,192,311.75, 1,645,374.30 and 648,435.84
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Solution
The fourth proportional to 1,192,311.75, 1,645,374.30 and 648,435.84 is: 894,832.80
Step by Step Solution
- Step 1: Write the proportion equation
1,192,311.75 : 1,645,374.30 = 648,435.84 : x - Step 2: Convert to fraction form
1,192,311.75/1,645,374.30 = 648,435.84/x - Step 3: Cross multiply
1,192,311.75x = 1,645,374.30 × 648,435.84 - Step 4: Simplify right side
1,192,311.75x = 1,066,919,666,334.91 - Step 5: Solve for x
x = 1,066,919,666,334.91/1,192,311.75 - Step 6: Final answer
x = 894,832.80
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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.