Finding the Fourth Proportional to 1,036,348.41, 1,554,391.39 and 405,705.09
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Solution
The fourth proportional to 1,036,348.41, 1,554,391.39 and 405,705.09 is: 608,506.26
Step by Step Solution
- Step 1: Write the proportion equation
1,036,348.41 : 1,554,391.39 = 405,705.09 : x - Step 2: Convert to fraction form
1,036,348.41/1,554,391.39 = 405,705.09/x - Step 3: Cross multiply
1,036,348.41x = 1,554,391.39 × 405,705.09 - Step 4: Simplify right side
1,036,348.41x = 630,624,498,775.18 - Step 5: Solve for x
x = 630,624,498,775.18/1,036,348.41 - Step 6: Final answer
x = 608,506.26
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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.