Finding the Fourth Proportional to 1,354,445.07, 2,028,960.64 and 814,405.64
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Solution
The fourth proportional to 1,354,445.07, 2,028,960.64 and 814,405.64 is: 1,219,980.80
Step by Step Solution
- Step 1: Write the proportion equation
1,354,445.07 : 2,028,960.64 = 814,405.64 : x - Step 2: Convert to fraction form
1,354,445.07/2,028,960.64 = 814,405.64/x - Step 3: Cross multiply
1,354,445.07x = 2,028,960.64 × 814,405.64 - Step 4: Simplify right side
1,354,445.07x = 1,652,396,974,337.18 - Step 5: Solve for x
x = 1,652,396,974,337.18/1,354,445.07 - Step 6: Final answer
x = 1,219,980.80
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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.