Finding the Fourth Proportional to 1,432,240.84, 1,976,452.91 and 787,660.97
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Solution
The fourth proportional to 1,432,240.84, 1,976,452.91 and 787,660.97 is: 1,086,950.43
Step by Step Solution
- Step 1: Write the proportion equation
1,432,240.84 : 1,976,452.91 = 787,660.97 : x - Step 2: Convert to fraction form
1,432,240.84/1,976,452.91 = 787,660.97/x - Step 3: Cross multiply
1,432,240.84x = 1,976,452.91 × 787,660.97 - Step 4: Simplify right side
1,432,240.84x = 1,556,774,802,429.35 - Step 5: Solve for x
x = 1,556,774,802,429.35/1,432,240.84 - Step 6: Final answer
x = 1,086,950.43
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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.