Finding the Fourth Proportional to 1,470,983.20, 2,205,308.40 and 806,135.20
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Solution
The fourth proportional to 1,470,983.20, 2,205,308.40 and 806,135.20 is: 1,208,563.58
Step by Step Solution
- Step 1: Write the proportion equation
1,470,983.20 : 2,205,308.40 = 806,135.20 : x - Step 2: Convert to fraction form
1,470,983.20/2,205,308.40 = 806,135.20/x - Step 3: Cross multiply
1,470,983.20x = 2,205,308.40 × 806,135.20 - Step 4: Simplify right side
1,470,983.20x = 1,777,776,728,095.68 - Step 5: Solve for x
x = 1,777,776,728,095.68/1,470,983.20 - Step 6: Final answer
x = 1,208,563.58
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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.