Finding the Fourth Proportional to 1,358,117.64, 1,874,201.76 and 746,309.88
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Solution
The fourth proportional to 1,358,117.64, 1,874,201.76 and 746,309.88 is: 1,029,907.31
Step by Step Solution
- Step 1: Write the proportion equation
1,358,117.64 : 1,874,201.76 = 746,309.88 : x - Step 2: Convert to fraction form
1,358,117.64/1,874,201.76 = 746,309.88/x - Step 3: Cross multiply
1,358,117.64x = 1,874,201.76 × 746,309.88 - Step 4: Simplify right side
1,358,117.64x = 1,398,735,290,601.39 - Step 5: Solve for x
x = 1,398,735,290,601.39/1,358,117.64 - Step 6: Final answer
x = 1,029,907.31
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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.