Finding the Fourth Proportional to 1,127,668.92, 1,691,509.05 and 286,220.94
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Solution
The fourth proportional to 1,127,668.92, 1,691,509.05 and 286,220.94 is: 429,332.85
Step by Step Solution
- Step 1: Write the proportion equation
1,127,668.92 : 1,691,509.05 = 286,220.94 : x - Step 2: Convert to fraction form
1,127,668.92/1,691,509.05 = 286,220.94/x - Step 3: Cross multiply
1,127,668.92x = 1,691,509.05 × 286,220.94 - Step 4: Simplify right side
1,127,668.92x = 484,145,310,309.51 - Step 5: Solve for x
x = 484,145,310,309.51/1,127,668.92 - Step 6: Final answer
x = 429,332.85
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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.