Finding the Fourth Proportional to 1,177,230.24, 1,625,411.04 and 919,397.76
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Solution
The fourth proportional to 1,177,230.24, 1,625,411.04 and 919,397.76 is: 1,269,419.71
Step by Step Solution
- Step 1: Write the proportion equation
1,177,230.24 : 1,625,411.04 = 919,397.76 : x - Step 2: Convert to fraction form
1,177,230.24/1,625,411.04 = 919,397.76/x - Step 3: Cross multiply
1,177,230.24x = 1,625,411.04 × 919,397.76 - Step 4: Simplify right side
1,177,230.24x = 1,494,399,269,255.27 - Step 5: Solve for x
x = 1,494,399,269,255.27/1,177,230.24 - Step 6: Final answer
x = 1,269,419.71
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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.