Finding the Fourth Proportional to 1,485,125.98, 2,227,332.20 and 685,639.44
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Solution
The fourth proportional to 1,485,125.98, 2,227,332.20 and 685,639.44 is: 1,028,294.45
Step by Step Solution
- Step 1: Write the proportion equation
1,485,125.98 : 2,227,332.20 = 685,639.44 : x - Step 2: Convert to fraction form
1,485,125.98/2,227,332.20 = 685,639.44/x - Step 3: Cross multiply
1,485,125.98x = 2,227,332.20 × 685,639.44 - Step 4: Simplify right side
1,485,125.98x = 1,527,146,798,873.77 - Step 5: Solve for x
x = 1,527,146,798,873.77/1,485,125.98 - Step 6: Final answer
x = 1,028,294.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.