Finding the Fourth Proportional to 1,432,235.97, 1,976,446.17 and 787,656.15
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Solution
The fourth proportional to 1,432,235.97, 1,976,446.17 and 787,656.15 is: 1,086,943.78
Step by Step Solution
- Step 1: Write the proportion equation
1,432,235.97 : 1,976,446.17 = 787,656.15 : x - Step 2: Convert to fraction form
1,432,235.97/1,976,446.17 = 787,656.15/x - Step 3: Cross multiply
1,432,235.97x = 1,976,446.17 × 787,656.15 - Step 4: Simplify right side
1,432,235.97x = 1,556,759,980,944.45 - Step 5: Solve for x
x = 1,556,759,980,944.45/1,432,235.97 - Step 6: Final answer
x = 1,086,943.78
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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.