Finding the Fourth Proportional to 1,185,596.70, 1,778,399.62 and 287,037.08
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Solution
The fourth proportional to 1,185,596.70, 1,778,399.62 and 287,037.08 is: 430,556.73
Step by Step Solution
- Step 1: Write the proportion equation
1,185,596.70 : 1,778,399.62 = 287,037.08 : x - Step 2: Convert to fraction form
1,185,596.70/1,778,399.62 = 287,037.08/x - Step 3: Cross multiply
1,185,596.70x = 1,778,399.62 × 287,037.08 - Step 4: Simplify right side
1,185,596.70x = 510,466,633,997.91 - Step 5: Solve for x
x = 510,466,633,997.91/1,185,596.70 - Step 6: Final answer
x = 430,556.73
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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.