Finding the Fourth Proportional to 1,103,440.60, 1,523,372.35 and 716,601.99
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Solution
The fourth proportional to 1,103,440.60, 1,523,372.35 and 716,601.99 is: 989,316.20
Step by Step Solution
- Step 1: Write the proportion equation
1,103,440.60 : 1,523,372.35 = 716,601.99 : x - Step 2: Convert to fraction form
1,103,440.60/1,523,372.35 = 716,601.99/x - Step 3: Cross multiply
1,103,440.60x = 1,523,372.35 × 716,601.99 - Step 4: Simplify right side
1,103,440.60x = 1,091,651,657,520.98 - Step 5: Solve for x
x = 1,091,651,657,520.98/1,103,440.60 - Step 6: Final answer
x = 989,316.20
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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.