Finding the Fourth Proportional to 1,358,490.42, 1,874,736.18 and 746,699.75
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Solution
The fourth proportional to 1,358,490.42, 1,874,736.18 and 746,699.75 is: 1,030,456.31
Step by Step Solution
- Step 1: Write the proportion equation
1,358,490.42 : 1,874,736.18 = 746,699.75 : x - Step 2: Convert to fraction form
1,358,490.42/1,874,736.18 = 746,699.75/x - Step 3: Cross multiply
1,358,490.42x = 1,874,736.18 × 746,699.75 - Step 4: Simplify right side
1,358,490.42x = 1,399,865,027,548.27 - Step 5: Solve for x
x = 1,399,865,027,548.27/1,358,490.42 - Step 6: Final answer
x = 1,030,456.31
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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.