Finding the Fourth Proportional to 1,089,748.14, 1,634,605.76 and 490,285.97
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Solution
The fourth proportional to 1,089,748.14, 1,634,605.76 and 490,285.97 is: 735,421.54
Step by Step Solution
- Step 1: Write the proportion equation
1,089,748.14 : 1,634,605.76 = 490,285.97 : x - Step 2: Convert to fraction form
1,089,748.14/1,634,605.76 = 490,285.97/x - Step 3: Cross multiply
1,089,748.14x = 1,634,605.76 × 490,285.97 - Step 4: Simplify right side
1,089,748.14x = 801,424,259,984.73 - Step 5: Solve for x
x = 801,424,259,984.73/1,089,748.14 - Step 6: Final answer
x = 735,421.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.