Finding the Fourth Proportional to 1,120,969.80, 1,546,975.62 and 611,700.12
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Solution
The fourth proportional to 1,120,969.80, 1,546,975.62 and 611,700.12 is: 844,166.52
Step by Step Solution
- Step 1: Write the proportion equation
1,120,969.80 : 1,546,975.62 = 611,700.12 : x - Step 2: Convert to fraction form
1,120,969.80/1,546,975.62 = 611,700.12/x - Step 3: Cross multiply
1,120,969.80x = 1,546,975.62 × 611,700.12 - Step 4: Simplify right side
1,120,969.80x = 946,285,172,391.08 - Step 5: Solve for x
x = 946,285,172,391.08/1,120,969.80 - Step 6: Final answer
x = 844,166.52
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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.