Finding the Fourth Proportional to 1,026,689.14, 1,417,020.56 and 659,625.14
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Solution
The fourth proportional to 1,026,689.14, 1,417,020.56 and 659,625.14 is: 910,404.47
Step by Step Solution
- Step 1: Write the proportion equation
1,026,689.14 : 1,417,020.56 = 659,625.14 : x - Step 2: Convert to fraction form
1,026,689.14/1,417,020.56 = 659,625.14/x - Step 3: Cross multiply
1,026,689.14x = 1,417,020.56 × 659,625.14 - Step 4: Simplify right side
1,026,689.14x = 934,702,385,272.88 - Step 5: Solve for x
x = 934,702,385,272.88/1,026,689.14 - Step 6: Final answer
x = 910,404.47
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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.