Finding the Fourth Proportional to 1,760,248.40, 2,642,122.20 and 862,703.60
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Solution
The fourth proportional to 1,760,248.40, 2,642,122.20 and 862,703.60 is: 1,294,912.88
Step by Step Solution
- Step 1: Write the proportion equation
1,760,248.40 : 2,642,122.20 = 862,703.60 : x - Step 2: Convert to fraction form
1,760,248.40/2,642,122.20 = 862,703.60/x - Step 3: Cross multiply
1,760,248.40x = 2,642,122.20 × 862,703.60 - Step 4: Simplify right side
1,760,248.40x = 2,279,368,333,579.92 - Step 5: Solve for x
x = 2,279,368,333,579.92/1,760,248.40 - Step 6: Final answer
x = 1,294,912.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.