Finding the Fourth Proportional to 1,299,479.24, 1,792,561.41 and 755,554.91
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Solution
The fourth proportional to 1,299,479.24, 1,792,561.41 and 755,554.91 is: 1,042,247.17
Step by Step Solution
- Step 1: Write the proportion equation
1,299,479.24 : 1,792,561.41 = 755,554.91 : x - Step 2: Convert to fraction form
1,299,479.24/1,792,561.41 = 755,554.91/x - Step 3: Cross multiply
1,299,479.24x = 1,792,561.41 × 755,554.91 - Step 4: Simplify right side
1,299,479.24x = 1,354,378,565,839.22 - Step 5: Solve for x
x = 1,354,378,565,839.22/1,299,479.24 - Step 6: Final answer
x = 1,042,247.17
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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.