Finding the Fourth Proportional to 1,228,691.97, 1,695,602.84 and 684,862.29
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Solution
The fourth proportional to 1,228,691.97, 1,695,602.84 and 684,862.29 is: 945,114.37
Step by Step Solution
- Step 1: Write the proportion equation
1,228,691.97 : 1,695,602.84 = 684,862.29 : x - Step 2: Convert to fraction form
1,228,691.97/1,695,602.84 = 684,862.29/x - Step 3: Cross multiply
1,228,691.97x = 1,695,602.84 × 684,862.29 - Step 4: Simplify right side
1,228,691.97x = 1,161,254,440,508.59 - Step 5: Solve for x
x = 1,161,254,440,508.59/1,228,691.97 - Step 6: Final answer
x = 945,114.37
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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.