Finding the Fourth Proportional to 1,177,464.30, 1,625,153.96 and 718,480.53
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Solution
The fourth proportional to 1,177,464.30, 1,625,153.96 and 718,480.53 is: 991,657.65
Step by Step Solution
- Step 1: Write the proportion equation
1,177,464.30 : 1,625,153.96 = 718,480.53 : x - Step 2: Convert to fraction form
1,177,464.30/1,625,153.96 = 718,480.53/x - Step 3: Cross multiply
1,177,464.30x = 1,625,153.96 × 718,480.53 - Step 4: Simplify right side
1,177,464.30x = 1,167,641,478,512.40 - Step 5: Solve for x
x = 1,167,641,478,512.40/1,177,464.30 - Step 6: Final answer
x = 991,657.65
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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.