Finding the Fourth Proportional to 1,037,197.60, 1,555,174.08 and 405,358.72
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Solution
The fourth proportional to 1,037,197.60, 1,555,174.08 and 405,358.72 is: 607,794.86
Step by Step Solution
- Step 1: Write the proportion equation
1,037,197.60 : 1,555,174.08 = 405,358.72 : x - Step 2: Convert to fraction form
1,037,197.60/1,555,174.08 = 405,358.72/x - Step 3: Cross multiply
1,037,197.60x = 1,555,174.08 × 405,358.72 - Step 4: Simplify right side
1,037,197.60x = 630,403,374,445.98 - Step 5: Solve for x
x = 630,403,374,445.98/1,037,197.60 - Step 6: Final answer
x = 607,794.86
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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.