Finding the Fourth Proportional to 1,354,664.40, 2,030,574.16 and 455,794.08
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Solution
The fourth proportional to 1,354,664.40, 2,030,574.16 and 455,794.08 is: 683,212.52
Step by Step Solution
- Step 1: Write the proportion equation
1,354,664.40 : 2,030,574.16 = 455,794.08 : x - Step 2: Convert to fraction form
1,354,664.40/2,030,574.16 = 455,794.08/x - Step 3: Cross multiply
1,354,664.40x = 2,030,574.16 × 455,794.08 - Step 4: Simplify right side
1,354,664.40x = 925,523,681,128.97 - Step 5: Solve for x
x = 925,523,681,128.97/1,354,664.40 - Step 6: Final answer
x = 683,212.52
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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.