Finding the Fourth Proportional to 1,348,775.98, 1,861,289.12 and 736,915.60
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Solution
The fourth proportional to 1,348,775.98, 1,861,289.12 and 736,915.60 is: 1,016,931.65
Step by Step Solution
- Step 1: Write the proportion equation
1,348,775.98 : 1,861,289.12 = 736,915.60 : x - Step 2: Convert to fraction form
1,348,775.98/1,861,289.12 = 736,915.60/x - Step 3: Cross multiply
1,348,775.98x = 1,861,289.12 × 736,915.60 - Step 4: Simplify right side
1,348,775.98x = 1,371,612,988,638.27 - Step 5: Solve for x
x = 1,371,612,988,638.27/1,348,775.98 - Step 6: Final answer
x = 1,016,931.65
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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.