Finding the Fourth Proportional to 1,228,694.26, 1,695,605.95 and 684,864.53
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Solution
The fourth proportional to 1,228,694.26, 1,695,605.95 and 684,864.53 is: 945,117.43
Step by Step Solution
- Step 1: Write the proportion equation
1,228,694.26 : 1,695,605.95 = 684,864.53 : x - Step 2: Convert to fraction form
1,228,694.26/1,695,605.95 = 684,864.53/x - Step 3: Cross multiply
1,228,694.26x = 1,695,605.95 × 684,864.53 - Step 4: Simplify right side
1,228,694.26x = 1,161,260,368,180.28 - Step 5: Solve for x
x = 1,161,260,368,180.28/1,228,694.26 - Step 6: Final answer
x = 945,117.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.