Finding the Fourth Proportional to 1,228,761.99, 1,695,699.90 and 684,932.58
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Solution
The fourth proportional to 1,228,761.99, 1,695,699.90 and 684,932.58 is: 945,211.62
Step by Step Solution
- Step 1: Write the proportion equation
1,228,761.99 : 1,695,699.90 = 684,932.58 : x - Step 2: Convert to fraction form
1,228,761.99/1,695,699.90 = 684,932.58/x - Step 3: Cross multiply
1,228,761.99x = 1,695,699.90 × 684,932.58 - Step 4: Simplify right side
1,228,761.99x = 1,161,440,107,412.74 - Step 5: Solve for x
x = 1,161,440,107,412.74/1,228,761.99 - Step 6: Final answer
x = 945,211.62
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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.