Finding the Fourth Proportional to 1,229,235.02, 1,696,220.70 and 685,320.02
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Solution
The fourth proportional to 1,229,235.02, 1,696,220.70 and 685,320.02 is: 945,672.70
Step by Step Solution
- Step 1: Write the proportion equation
1,229,235.02 : 1,696,220.70 = 685,320.02 : x - Step 2: Convert to fraction form
1,229,235.02/1,696,220.70 = 685,320.02/x - Step 3: Cross multiply
1,229,235.02x = 1,696,220.70 × 685,320.02 - Step 4: Simplify right side
1,229,235.02x = 1,162,454,004,048.41 - Step 5: Solve for x
x = 1,162,454,004,048.41/1,229,235.02 - Step 6: Final answer
x = 945,672.70
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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.