Finding the Fourth Proportional to 1,206,652.84, 1,665,135.30 and 670,143.40
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Solution
The fourth proportional to 1,206,652.84, 1,665,135.30 and 670,143.40 is: 924,772.56
Step by Step Solution
- Step 1: Write the proportion equation
1,206,652.84 : 1,665,135.30 = 670,143.40 : x - Step 2: Convert to fraction form
1,206,652.84/1,665,135.30 = 670,143.40/x - Step 3: Cross multiply
1,206,652.84x = 1,665,135.30 × 670,143.40 - Step 4: Simplify right side
1,206,652.84x = 1,115,879,431,402.02 - Step 5: Solve for x
x = 1,115,879,431,402.02/1,206,652.84 - Step 6: Final answer
x = 924,772.56
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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.