Finding the Fourth Proportional to 1,432,239.34, 1,976,450.84 and 787,659.47
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Solution
The fourth proportional to 1,432,239.34, 1,976,450.84 and 787,659.47 is: 1,086,948.37
Step by Step Solution
- Step 1: Write the proportion equation
1,432,239.34 : 1,976,450.84 = 787,659.47 : x - Step 2: Convert to fraction form
1,432,239.34/1,976,450.84 = 787,659.47/x - Step 3: Cross multiply
1,432,239.34x = 1,976,450.84 × 787,659.47 - Step 4: Simplify right side
1,432,239.34x = 1,556,770,209,264.05 - Step 5: Solve for x
x = 1,556,770,209,264.05/1,432,239.34 - Step 6: Final answer
x = 1,086,948.37
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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.