Finding the Fourth Proportional to 1,358,431.74, 1,874,678 and 746,573.40
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Solution
The fourth proportional to 1,358,431.74, 1,874,678 and 746,573.40 is: 1,030,294.48
Step by Step Solution
- Step 1: Write the proportion equation
1,358,431.74 : 1,874,678 = 746,573.40 : x - Step 2: Convert to fraction form
1,358,431.74/1,874,678 = 746,573.40/x - Step 3: Cross multiply
1,358,431.74x = 1,874,678 × 746,573.40 - Step 4: Simplify right side
1,358,431.74x = 1,399,584,728,365.20 - Step 5: Solve for x
x = 1,399,584,728,365.20/1,358,431.74 - Step 6: Final answer
x = 1,030,294.48
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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.