Finding the Fourth Proportional to 1,337,456.19, 1,845,689.25 and 764,508.70
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Solution
The fourth proportional to 1,337,456.19, 1,845,689.25 and 764,508.70 is: 1,055,021.84
Step by Step Solution
- Step 1: Write the proportion equation
1,337,456.19 : 1,845,689.25 = 764,508.70 : x - Step 2: Convert to fraction form
1,337,456.19/1,845,689.25 = 764,508.70/x - Step 3: Cross multiply
1,337,456.19x = 1,845,689.25 × 764,508.70 - Step 4: Simplify right side
1,337,456.19x = 1,411,045,489,121.48 - Step 5: Solve for x
x = 1,411,045,489,121.48/1,337,456.19 - Step 6: Final answer
x = 1,055,021.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.