Finding the Fourth Proportional to 1,288,983.99, 1,933,463.67 and 783,684.48
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Solution
The fourth proportional to 1,288,983.99, 1,933,463.67 and 783,684.48 is: 1,175,519.23
Step by Step Solution
- Step 1: Write the proportion equation
1,288,983.99 : 1,933,463.67 = 783,684.48 : x - Step 2: Convert to fraction form
1,288,983.99/1,933,463.67 = 783,684.48/x - Step 3: Cross multiply
1,288,983.99x = 1,933,463.67 × 783,684.48 - Step 4: Simplify right side
1,288,983.99x = 1,515,225,470,822.84 - Step 5: Solve for x
x = 1,515,225,470,822.84/1,288,983.99 - Step 6: Final answer
x = 1,175,519.23
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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.