Finding the Fourth Proportional to 1,043,556.12, 1,564,965.48 and 496,384.12
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Solution
The fourth proportional to 1,043,556.12, 1,564,965.48 and 496,384.12 is: 744,400.80
Step by Step Solution
- Step 1: Write the proportion equation
1,043,556.12 : 1,564,965.48 = 496,384.12 : x - Step 2: Convert to fraction form
1,043,556.12/1,564,965.48 = 496,384.12/x - Step 3: Cross multiply
1,043,556.12x = 1,564,965.48 × 496,384.12 - Step 4: Simplify right side
1,043,556.12x = 776,824,012,620.18 - Step 5: Solve for x
x = 776,824,012,620.18/1,043,556.12 - Step 6: Final answer
x = 744,400.80
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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.