Finding the Fourth Proportional to 1,063,340.21, 1,466,580.11 and 681,402.53
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Solution
The fourth proportional to 1,063,340.21, 1,466,580.11 and 681,402.53 is: 939,804.01
Step by Step Solution
- Step 1: Write the proportion equation
1,063,340.21 : 1,466,580.11 = 681,402.53 : x - Step 2: Convert to fraction form
1,063,340.21/1,466,580.11 = 681,402.53/x - Step 3: Cross multiply
1,063,340.21x = 1,466,580.11 × 681,402.53 - Step 4: Simplify right side
1,063,340.21x = 999,331,386,661.77 - Step 5: Solve for x
x = 999,331,386,661.77/1,063,340.21 - Step 6: Final answer
x = 939,804.01
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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.