Finding the Fourth Proportional to 1,432,108.19, 1,976,258.17 and 787,522.75
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Solution
The fourth proportional to 1,432,108.19, 1,976,258.17 and 787,522.75 is: 1,086,753.28
Step by Step Solution
- Step 1: Write the proportion equation
1,432,108.19 : 1,976,258.17 = 787,522.75 : x - Step 2: Convert to fraction form
1,432,108.19/1,976,258.17 = 787,522.75/x - Step 3: Cross multiply
1,432,108.19x = 1,976,258.17 × 787,522.75 - Step 4: Simplify right side
1,432,108.19x = 1,556,348,268,748.37 - Step 5: Solve for x
x = 1,556,348,268,748.37/1,432,108.19 - Step 6: Final answer
x = 1,086,753.28
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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.