Finding the Fourth Proportional to 1,358,119.16, 1,874,203.94 and 746,311.34
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Solution
The fourth proportional to 1,358,119.16, 1,874,203.94 and 746,311.34 is: 1,029,909.37
Step by Step Solution
- Step 1: Write the proportion equation
1,358,119.16 : 1,874,203.94 = 746,311.34 : x - Step 2: Convert to fraction form
1,358,119.16/1,874,203.94 = 746,311.34/x - Step 3: Cross multiply
1,358,119.16x = 1,874,203.94 × 746,311.34 - Step 4: Simplify right side
1,358,119.16x = 1,398,739,640,792.10 - Step 5: Solve for x
x = 1,398,739,640,792.10/1,358,119.16 - Step 6: Final answer
x = 1,029,909.37
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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.