Finding the Fourth Proportional to 1,229,497.68, 1,696,851.72 and 685,719.12
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Solution
The fourth proportional to 1,229,497.68, 1,696,851.72 and 685,719.12 is: 946,373.21
Step by Step Solution
- Step 1: Write the proportion equation
1,229,497.68 : 1,696,851.72 = 685,719.12 : x - Step 2: Convert to fraction form
1,229,497.68/1,696,851.72 = 685,719.12/x - Step 3: Cross multiply
1,229,497.68x = 1,696,851.72 × 685,719.12 - Step 4: Simplify right side
1,229,497.68x = 1,163,563,668,208.89 - Step 5: Solve for x
x = 1,163,563,668,208.89/1,229,497.68 - Step 6: Final answer
x = 946,373.21
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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.