Finding the Fourth Proportional to 1,235,039.60, 1,852,098.60 and 486,930.80
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Solution
The fourth proportional to 1,235,039.60, 1,852,098.60 and 486,930.80 is: 730,214.52
Step by Step Solution
- Step 1: Write the proportion equation
1,235,039.60 : 1,852,098.60 = 486,930.80 : x - Step 2: Convert to fraction form
1,235,039.60/1,852,098.60 = 486,930.80/x - Step 3: Cross multiply
1,235,039.60x = 1,852,098.60 × 486,930.80 - Step 4: Simplify right side
1,235,039.60x = 901,843,852,976.88 - Step 5: Solve for x
x = 901,843,852,976.88/1,235,039.60 - Step 6: Final answer
x = 730,214.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.