Finding the Fourth Proportional to 1,050,415.10, 1,576,019.74 and 411,175.70
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Solution
The fourth proportional to 1,050,415.10, 1,576,019.74 and 411,175.70 is: 616,918.99
Step by Step Solution
- Step 1: Write the proportion equation
1,050,415.10 : 1,576,019.74 = 411,175.70 : x - Step 2: Convert to fraction form
1,050,415.10/1,576,019.74 = 411,175.70/x - Step 3: Cross multiply
1,050,415.10x = 1,576,019.74 × 411,175.70 - Step 4: Simplify right side
1,050,415.10x = 648,021,019,808.32 - Step 5: Solve for x
x = 648,021,019,808.32/1,050,415.10 - Step 6: Final answer
x = 616,918.99
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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.