Finding the Fourth Proportional to 1,036,621.68, 1,555,011.23 and 353,296.15
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Solution
The fourth proportional to 1,036,621.68, 1,555,011.23 and 353,296.15 is: 529,971.05
Step by Step Solution
- Step 1: Write the proportion equation
1,036,621.68 : 1,555,011.23 = 353,296.15 : x - Step 2: Convert to fraction form
1,036,621.68/1,555,011.23 = 353,296.15/x - Step 3: Cross multiply
1,036,621.68x = 1,555,011.23 × 353,296.15 - Step 4: Simplify right side
1,036,621.68x = 549,379,480,765.77 - Step 5: Solve for x
x = 549,379,480,765.77/1,036,621.68 - Step 6: Final answer
x = 529,971.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.