Finding the Fourth Proportional to 1,089,337.70, 1,503,264.42 and 605,892.44
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Solution
The fourth proportional to 1,089,337.70, 1,503,264.42 and 605,892.44 is: 836,119.55
Step by Step Solution
- Step 1: Write the proportion equation
1,089,337.70 : 1,503,264.42 = 605,892.44 : x - Step 2: Convert to fraction form
1,089,337.70/1,503,264.42 = 605,892.44/x - Step 3: Cross multiply
1,089,337.70x = 1,503,264.42 × 605,892.44 - Step 4: Simplify right side
1,089,337.70x = 910,816,547,398.99 - Step 5: Solve for x
x = 910,816,547,398.99/1,089,337.70 - Step 6: Final answer
x = 836,119.55
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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.