Finding the Fourth Proportional to 1,057,305.42, 1,459,042.36 and 573,860.19
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Solution
The fourth proportional to 1,057,305.42, 1,459,042.36 and 573,860.19 is: 791,905.83
Step by Step Solution
- Step 1: Write the proportion equation
1,057,305.42 : 1,459,042.36 = 573,860.19 : x - Step 2: Convert to fraction form
1,057,305.42/1,459,042.36 = 573,860.19/x - Step 3: Cross multiply
1,057,305.42x = 1,459,042.36 × 573,860.19 - Step 4: Simplify right side
1,057,305.42x = 837,286,325,927.65 - Step 5: Solve for x
x = 837,286,325,927.65/1,057,305.42 - Step 6: Final answer
x = 791,905.83
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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.