Finding the Fourth Proportional to 1,382,202.99, 1,907,595.36 and 770,411.61
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Solution
The fourth proportional to 1,382,202.99, 1,907,595.36 and 770,411.61 is: 1,063,254.55
Step by Step Solution
- Step 1: Write the proportion equation
1,382,202.99 : 1,907,595.36 = 770,411.61 : x - Step 2: Convert to fraction form
1,382,202.99/1,907,595.36 = 770,411.61/x - Step 3: Cross multiply
1,382,202.99x = 1,907,595.36 × 770,411.61 - Step 4: Simplify right side
1,382,202.99x = 1,469,633,612,526.13 - Step 5: Solve for x
x = 1,469,633,612,526.13/1,382,202.99 - Step 6: Final answer
x = 1,063,254.55
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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.