Finding the Fourth Proportional to 1,302,128.84, 1,951,618.62 and 670,698.20
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Solution
The fourth proportional to 1,302,128.84, 1,951,618.62 and 670,698.20 is: 1,005,236.24
Step by Step Solution
- Step 1: Write the proportion equation
1,302,128.84 : 1,951,618.62 = 670,698.20 : x - Step 2: Convert to fraction form
1,302,128.84/1,951,618.62 = 670,698.20/x - Step 3: Cross multiply
1,302,128.84x = 1,951,618.62 × 670,698.20 - Step 4: Simplify right side
1,302,128.84x = 1,308,947,095,520.48 - Step 5: Solve for x
x = 1,308,947,095,520.48/1,302,128.84 - Step 6: Final answer
x = 1,005,236.24
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.