Finding the Fourth Proportional to 1,419,790.08, 2,128,440.96 and 533,948.16
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Solution
The fourth proportional to 1,419,790.08, 2,128,440.96 and 533,948.16 is: 800,454.34
Step by Step Solution
- Step 1: Write the proportion equation
1,419,790.08 : 2,128,440.96 = 533,948.16 : x - Step 2: Convert to fraction form
1,419,790.08/2,128,440.96 = 533,948.16/x - Step 3: Cross multiply
1,419,790.08x = 2,128,440.96 × 533,948.16 - Step 4: Simplify right side
1,419,790.08x = 1,136,477,134,260.63 - Step 5: Solve for x
x = 1,136,477,134,260.63/1,419,790.08 - Step 6: Final answer
x = 800,454.34
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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.