Finding the Fourth Proportional to 1,120,507.75, 1,680,776.21 and 372,553.75
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Solution
The fourth proportional to 1,120,507.75, 1,680,776.21 and 372,553.75 is: 558,835.47
Step by Step Solution
- Step 1: Write the proportion equation
1,120,507.75 : 1,680,776.21 = 372,553.75 : x - Step 2: Convert to fraction form
1,120,507.75/1,680,776.21 = 372,553.75/x - Step 3: Cross multiply
1,120,507.75x = 1,680,776.21 × 372,553.75 - Step 4: Simplify right side
1,120,507.75x = 626,179,479,946.29 - Step 5: Solve for x
x = 626,179,479,946.29/1,120,507.75 - Step 6: Final answer
x = 558,835.47
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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.