Finding the Fourth Proportional to 1,089,339.68, 1,503,267.20 and 605,894.42
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Solution
The fourth proportional to 1,089,339.68, 1,503,267.20 and 605,894.42 is: 836,122.31
Step by Step Solution
- Step 1: Write the proportion equation
1,089,339.68 : 1,503,267.20 = 605,894.42 : x - Step 2: Convert to fraction form
1,089,339.68/1,503,267.20 = 605,894.42/x - Step 3: Cross multiply
1,089,339.68x = 1,503,267.20 × 605,894.42 - Step 4: Simplify right side
1,089,339.68x = 910,821,208,249.02 - Step 5: Solve for x
x = 910,821,208,249.02/1,089,339.68 - Step 6: Final answer
x = 836,122.31
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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.