Finding the Fourth Proportional to 1,021,231.57, 1,531,137.95 and 452,302.66
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Solution
The fourth proportional to 1,021,231.57, 1,531,137.95 and 452,302.66 is: 678,139.79
Step by Step Solution
- Step 1: Write the proportion equation
1,021,231.57 : 1,531,137.95 = 452,302.66 : x - Step 2: Convert to fraction form
1,021,231.57/1,531,137.95 = 452,302.66/x - Step 3: Cross multiply
1,021,231.57x = 1,531,137.95 × 452,302.66 - Step 4: Simplify right side
1,021,231.57x = 692,537,765,290.24 - Step 5: Solve for x
x = 692,537,765,290.24/1,021,231.57 - Step 6: Final answer
x = 678,139.79
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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.