Finding the Fourth Proportional to 1,230,982.35, 1,699,039.08 and 721,848.75
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Solution
The fourth proportional to 1,230,982.35, 1,699,039.08 and 721,848.75 is: 996,317.48
Step by Step Solution
- Step 1: Write the proportion equation
1,230,982.35 : 1,699,039.08 = 721,848.75 : x - Step 2: Convert to fraction form
1,230,982.35/1,699,039.08 = 721,848.75/x - Step 3: Cross multiply
1,230,982.35x = 1,699,039.08 × 721,848.75 - Step 4: Simplify right side
1,230,982.35x = 1,226,449,236,099.15 - Step 5: Solve for x
x = 1,226,449,236,099.15/1,230,982.35 - Step 6: Final answer
x = 996,317.48
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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.