Finding the Fourth Proportional to 1,089,670.74, 1,503,745.60 and 606,235.75
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Solution
The fourth proportional to 1,089,670.74, 1,503,745.60 and 606,235.75 is: 836,605.33
Step by Step Solution
- Step 1: Write the proportion equation
1,089,670.74 : 1,503,745.60 = 606,235.75 : x - Step 2: Convert to fraction form
1,089,670.74/1,503,745.60 = 606,235.75/x - Step 3: Cross multiply
1,089,670.74x = 1,503,745.60 × 606,235.75 - Step 4: Simplify right side
1,089,670.74x = 911,624,351,043.98 - Step 5: Solve for x
x = 911,624,351,043.98/1,089,670.74 - Step 6: Final answer
x = 836,605.33
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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.