Finding the Fourth Proportional to 1,020,861.16, 1,408,788.34 and 568,259.08
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Solution
The fourth proportional to 1,020,861.16, 1,408,788.34 and 568,259.08 is: 784,197.50
Step by Step Solution
- Step 1: Write the proportion equation
1,020,861.16 : 1,408,788.34 = 568,259.08 : x - Step 2: Convert to fraction form
1,020,861.16/1,408,788.34 = 568,259.08/x - Step 3: Cross multiply
1,020,861.16x = 1,408,788.34 × 568,259.08 - Step 4: Simplify right side
1,020,861.16x = 800,556,766,003.13 - Step 5: Solve for x
x = 800,556,766,003.13/1,020,861.16 - Step 6: Final answer
x = 784,197.50
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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.