Finding the Fourth Proportional to 1,373,671.19, 1,895,539.28 and 761,812.68
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Solution
The fourth proportional to 1,373,671.19, 1,895,539.28 and 761,812.68 is: 1,051,231.09
Step by Step Solution
- Step 1: Write the proportion equation
1,373,671.19 : 1,895,539.28 = 761,812.68 : x - Step 2: Convert to fraction form
1,373,671.19/1,895,539.28 = 761,812.68/x - Step 3: Cross multiply
1,373,671.19x = 1,895,539.28 × 761,812.68 - Step 4: Simplify right side
1,373,671.19x = 1,444,045,858,942.07 - Step 5: Solve for x
x = 1,444,045,858,942.07/1,373,671.19 - Step 6: Final answer
x = 1,051,231.09
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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.