Finding the Fourth Proportional to 1,010,391.70, 1,512,088.35 and 926,410.90
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Solution
The fourth proportional to 1,010,391.70, 1,512,088.35 and 926,410.90 is: 1,386,407.99
Step by Step Solution
- Step 1: Write the proportion equation
1,010,391.70 : 1,512,088.35 = 926,410.90 : x - Step 2: Convert to fraction form
1,010,391.70/1,512,088.35 = 926,410.90/x - Step 3: Cross multiply
1,010,391.70x = 1,512,088.35 × 926,410.90 - Step 4: Simplify right side
1,010,391.70x = 1,400,815,129,203.02 - Step 5: Solve for x
x = 1,400,815,129,203.02/1,010,391.70 - Step 6: Final answer
x = 1,386,407.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.