Finding the Fourth Proportional to 1,255,909.78, 1,733,201.12 and 719,469.46
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Solution
The fourth proportional to 1,255,909.78, 1,733,201.12 and 719,469.46 is: 992,893.99
Step by Step Solution
- Step 1: Write the proportion equation
1,255,909.78 : 1,733,201.12 = 719,469.46 : x - Step 2: Convert to fraction form
1,255,909.78/1,733,201.12 = 719,469.46/x - Step 3: Cross multiply
1,255,909.78x = 1,733,201.12 × 719,469.46 - Step 4: Simplify right side
1,255,909.78x = 1,246,985,273,877.80 - Step 5: Solve for x
x = 1,246,985,273,877.80/1,255,909.78 - Step 6: Final answer
x = 992,893.99
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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.