Finding the Fourth Proportional to 1,007,618.12, 1,513,526.70 and 850,154.12
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Solution
The fourth proportional to 1,007,618.12, 1,513,526.70 and 850,154.12 is: 1,277,002.60
Step by Step Solution
- Step 1: Write the proportion equation
1,007,618.12 : 1,513,526.70 = 850,154.12 : x - Step 2: Convert to fraction form
1,007,618.12/1,513,526.70 = 850,154.12/x - Step 3: Cross multiply
1,007,618.12x = 1,513,526.70 × 850,154.12 - Step 4: Simplify right side
1,007,618.12x = 1,286,730,959,735.00 - Step 5: Solve for x
x = 1,286,730,959,735.00/1,007,618.12 - Step 6: Final answer
x = 1,277,002.60
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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.