Finding the Fourth Proportional to 1,432,203.07, 1,976,394.99 and 787,621.27
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Solution
The fourth proportional to 1,432,203.07, 1,976,394.99 and 787,621.27 is: 1,086,892.47
Step by Step Solution
- Step 1: Write the proportion equation
1,432,203.07 : 1,976,394.99 = 787,621.27 : x - Step 2: Convert to fraction form
1,432,203.07/1,976,394.99 = 787,621.27/x - Step 3: Cross multiply
1,432,203.07x = 1,976,394.99 × 787,621.27 - Step 4: Simplify right side
1,432,203.07x = 1,556,650,732,045.44 - Step 5: Solve for x
x = 1,556,650,732,045.44/1,432,203.07 - Step 6: Final answer
x = 1,086,892.47
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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.