Finding the Fourth Proportional to 1,272,220.50, 1,755,641.64 and 699,260.52
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Solution
The fourth proportional to 1,272,220.50, 1,755,641.64 and 699,260.52 is: 964,967.07
Step by Step Solution
- Step 1: Write the proportion equation
1,272,220.50 : 1,755,641.64 = 699,260.52 : x - Step 2: Convert to fraction form
1,272,220.50/1,755,641.64 = 699,260.52/x - Step 3: Cross multiply
1,272,220.50x = 1,755,641.64 × 699,260.52 - Step 4: Simplify right side
1,272,220.50x = 1,227,650,886,120.05 - Step 5: Solve for x
x = 1,227,650,886,120.05/1,272,220.50 - Step 6: Final answer
x = 964,967.07
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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.