Finding the Fourth Proportional to 1,089,338.68, 1,503,265.82 and 605,893.42
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Solution
The fourth proportional to 1,089,338.68, 1,503,265.82 and 605,893.42 is: 836,120.93
Step by Step Solution
- Step 1: Write the proportion equation
1,089,338.68 : 1,503,265.82 = 605,893.42 : x - Step 2: Convert to fraction form
1,089,338.68/1,503,265.82 = 605,893.42/x - Step 3: Cross multiply
1,089,338.68x = 1,503,265.82 × 605,893.42 - Step 4: Simplify right side
1,089,338.68x = 910,818,868,848.91 - Step 5: Solve for x
x = 910,818,868,848.91/1,089,338.68 - Step 6: Final answer
x = 836,120.93
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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.