Finding the Fourth Proportional to 1,178,056.44, 1,625,675.20 and 719,937.44
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Solution
The fourth proportional to 1,178,056.44, 1,625,675.20 and 719,937.44 is: 993,487.58
Step by Step Solution
- Step 1: Write the proportion equation
1,178,056.44 : 1,625,675.20 = 719,937.44 : x - Step 2: Convert to fraction form
1,178,056.44/1,625,675.20 = 719,937.44/x - Step 3: Cross multiply
1,178,056.44x = 1,625,675.20 × 719,937.44 - Step 4: Simplify right side
1,178,056.44x = 1,170,384,441,759.49 - Step 5: Solve for x
x = 1,170,384,441,759.49/1,178,056.44 - Step 6: Final answer
x = 993,487.58
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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.