Finding the Fourth Proportional to 1,358,748.40, 2,038,122.60 and 910,850.80
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Solution
The fourth proportional to 1,358,748.40, 2,038,122.60 and 910,850.80 is: 1,366,276.20
Step by Step Solution
- Step 1: Write the proportion equation
1,358,748.40 : 2,038,122.60 = 910,850.80 : x - Step 2: Convert to fraction form
1,358,748.40/2,038,122.60 = 910,850.80/x - Step 3: Cross multiply
1,358,748.40x = 2,038,122.60 × 910,850.80 - Step 4: Simplify right side
1,358,748.40x = 1,856,425,600,708.08 - Step 5: Solve for x
x = 1,856,425,600,708.08/1,358,748.40 - Step 6: Final answer
x = 1,366,276.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.