Finding the Fourth Proportional to 1,207,347.94, 1,809,895.92 and 408,073.42
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Solution
The fourth proportional to 1,207,347.94, 1,809,895.92 and 408,073.42 is: 611,729.55
Step by Step Solution
- Step 1: Write the proportion equation
1,207,347.94 : 1,809,895.92 = 408,073.42 : x - Step 2: Convert to fraction form
1,207,347.94/1,809,895.92 = 408,073.42/x - Step 3: Cross multiply
1,207,347.94x = 1,809,895.92 × 408,073.42 - Step 4: Simplify right side
1,207,347.94x = 738,570,417,918.45 - Step 5: Solve for x
x = 738,570,417,918.45/1,207,347.94 - Step 6: Final answer
x = 611,729.55
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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.