Finding the Fourth Proportional to 1,217,394.30, 1,680,542.23 and 727,536.67
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Solution
The fourth proportional to 1,217,394.30, 1,680,542.23 and 727,536.67 is: 1,004,322.18
Step by Step Solution
- Step 1: Write the proportion equation
1,217,394.30 : 1,680,542.23 = 727,536.67 : x - Step 2: Convert to fraction form
1,217,394.30/1,680,542.23 = 727,536.67/x - Step 3: Cross multiply
1,217,394.30x = 1,680,542.23 × 727,536.67 - Step 4: Simplify right side
1,217,394.30x = 1,222,656,097,808.57 - Step 5: Solve for x
x = 1,222,656,097,808.57/1,217,394.30 - Step 6: Final answer
x = 1,004,322.18
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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.