Finding the Fourth Proportional to 1,090,530.21, 1,503,951.99 and 682,669.23
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Solution
The fourth proportional to 1,090,530.21, 1,503,951.99 and 682,669.23 is: 941,470.25
Step by Step Solution
- Step 1: Write the proportion equation
1,090,530.21 : 1,503,951.99 = 682,669.23 : x - Step 2: Convert to fraction form
1,090,530.21/1,503,951.99 = 682,669.23/x - Step 3: Cross multiply
1,090,530.21x = 1,503,951.99 × 682,669.23 - Step 4: Simplify right side
1,090,530.21x = 1,026,701,746,970.27 - Step 5: Solve for x
x = 1,026,701,746,970.27/1,090,530.21 - Step 6: Final answer
x = 941,470.25
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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.