Finding the Fourth Proportional to 1,228,660.02, 1,695,649.41 and 684,971.82
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Solution
The fourth proportional to 1,228,660.02, 1,695,649.41 and 684,971.82 is: 945,316.07
Step by Step Solution
- Step 1: Write the proportion equation
1,228,660.02 : 1,695,649.41 = 684,971.82 : x - Step 2: Convert to fraction form
1,228,660.02/1,695,649.41 = 684,971.82/x - Step 3: Cross multiply
1,228,660.02x = 1,695,649.41 × 684,971.82 - Step 4: Simplify right side
1,228,660.02x = 1,161,472,062,449.63 - Step 5: Solve for x
x = 1,161,472,062,449.63/1,228,660.02 - Step 6: Final answer
x = 945,316.07
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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.