Finding the Fourth Proportional to 1,005,183, 1,387,163.28 and 546,297.60
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Solution
The fourth proportional to 1,005,183, 1,387,163.28 and 546,297.60 is: 753,896.52
Step by Step Solution
- Step 1: Write the proportion equation
1,005,183 : 1,387,163.28 = 546,297.60 : x - Step 2: Convert to fraction form
1,005,183/1,387,163.28 = 546,297.60/x - Step 3: Cross multiply
1,005,183x = 1,387,163.28 × 546,297.60 - Step 4: Simplify right side
1,005,183x = 757,803,970,672.13 - Step 5: Solve for x
x = 757,803,970,672.13/1,005,183 - Step 6: Final answer
x = 753,896.52
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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.