Finding the Fourth Proportional to 1,089,068.40, 1,635,352.20 and 823,129.20
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Solution
The fourth proportional to 1,089,068.40, 1,635,352.20 and 823,129.20 is: 1,236,016.17
Step by Step Solution
- Step 1: Write the proportion equation
1,089,068.40 : 1,635,352.20 = 823,129.20 : x - Step 2: Convert to fraction form
1,089,068.40/1,635,352.20 = 823,129.20/x - Step 3: Cross multiply
1,089,068.40x = 1,635,352.20 × 823,129.20 - Step 4: Simplify right side
1,089,068.40x = 1,346,106,148,104.24 - Step 5: Solve for x
x = 1,346,106,148,104.24/1,089,068.40 - Step 6: Final answer
x = 1,236,016.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.