Finding the Fourth Proportional to 1,012,820.70, 1,397,689.11 and 560,101.98
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Solution
The fourth proportional to 1,012,820.70, 1,397,689.11 and 560,101.98 is: 772,938.82
Step by Step Solution
- Step 1: Write the proportion equation
1,012,820.70 : 1,397,689.11 = 560,101.98 : x - Step 2: Convert to fraction form
1,012,820.70/1,397,689.11 = 560,101.98/x - Step 3: Cross multiply
1,012,820.70x = 1,397,689.11 × 560,101.98 - Step 4: Simplify right side
1,012,820.70x = 782,848,437,935.44 - Step 5: Solve for x
x = 782,848,437,935.44/1,012,820.70 - Step 6: Final answer
x = 772,938.82
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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.