Finding the Fourth Proportional to 1,358,120.66, 1,874,206.01 and 746,312.84
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Solution
The fourth proportional to 1,358,120.66, 1,874,206.01 and 746,312.84 is: 1,029,911.44
Step by Step Solution
- Step 1: Write the proportion equation
1,358,120.66 : 1,874,206.01 = 746,312.84 : x - Step 2: Convert to fraction form
1,358,120.66/1,874,206.01 = 746,312.84/x - Step 3: Cross multiply
1,358,120.66x = 1,874,206.01 × 746,312.84 - Step 4: Simplify right side
1,358,120.66x = 1,398,743,996,965.57 - Step 5: Solve for x
x = 1,398,743,996,965.57/1,358,120.66 - Step 6: Final answer
x = 1,029,911.44
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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.