Finding the Fourth Proportional to 1,177,378.50, 1,625,006.26 and 668,128.26
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Solution
The fourth proportional to 1,177,378.50, 1,625,006.26 and 668,128.26 is: 922,144.07
Step by Step Solution
- Step 1: Write the proportion equation
1,177,378.50 : 1,625,006.26 = 668,128.26 : x - Step 2: Convert to fraction form
1,177,378.50/1,625,006.26 = 668,128.26/x - Step 3: Cross multiply
1,177,378.50x = 1,625,006.26 × 668,128.26 - Step 4: Simplify right side
1,177,378.50x = 1,085,712,604,982.91 - Step 5: Solve for x
x = 1,085,712,604,982.91/1,177,378.50 - Step 6: Final answer
x = 922,144.07
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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.