Finding the Fourth Proportional to 1,405,962.97, 1,940,225.03 and 761,382.99
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Solution
The fourth proportional to 1,405,962.97, 1,940,225.03 and 761,382.99 is: 1,050,706.43
Step by Step Solution
- Step 1: Write the proportion equation
1,405,962.97 : 1,940,225.03 = 761,382.99 : x - Step 2: Convert to fraction form
1,405,962.97/1,940,225.03 = 761,382.99/x - Step 3: Cross multiply
1,405,962.97x = 1,940,225.03 × 761,382.99 - Step 4: Simplify right side
1,405,962.97x = 1,477,254,333,662.51 - Step 5: Solve for x
x = 1,477,254,333,662.51/1,405,962.97 - Step 6: Final answer
x = 1,050,706.43
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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.