Finding the Fourth Proportional to 1,229,227.02, 1,696,209.66 and 685,312.02
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Solution
The fourth proportional to 1,229,227.02, 1,696,209.66 and 685,312.02 is: 945,661.66
Step by Step Solution
- Step 1: Write the proportion equation
1,229,227.02 : 1,696,209.66 = 685,312.02 : x - Step 2: Convert to fraction form
1,229,227.02/1,696,209.66 = 685,312.02/x - Step 3: Cross multiply
1,229,227.02x = 1,696,209.66 × 685,312.02 - Step 4: Simplify right side
1,229,227.02x = 1,162,432,868,438.11 - Step 5: Solve for x
x = 1,162,432,868,438.11/1,229,227.02 - Step 6: Final answer
x = 945,661.66
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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.