Finding the Fourth Proportional to 1,086,263.60, 1,498,696.94 and 627,317.53
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Solution
The fourth proportional to 1,086,263.60, 1,498,696.94 and 627,317.53 is: 865,497.90
Step by Step Solution
- Step 1: Write the proportion equation
1,086,263.60 : 1,498,696.94 = 627,317.53 : x - Step 2: Convert to fraction form
1,086,263.60/1,498,696.94 = 627,317.53/x - Step 3: Cross multiply
1,086,263.60x = 1,498,696.94 × 627,317.53 - Step 4: Simplify right side
1,086,263.60x = 940,158,860,440.91 - Step 5: Solve for x
x = 940,158,860,440.91/1,086,263.60 - Step 6: Final answer
x = 865,497.90
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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.