Finding the Fourth Proportional to 1,142,140.41, 1,713,214.49 and 289,211.67
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Solution
The fourth proportional to 1,142,140.41, 1,713,214.49 and 289,211.67 is: 433,818.48
Step by Step Solution
- Step 1: Write the proportion equation
1,142,140.41 : 1,713,214.49 = 289,211.67 : x - Step 2: Convert to fraction form
1,142,140.41/1,713,214.49 = 289,211.67/x - Step 3: Cross multiply
1,142,140.41x = 1,713,214.49 × 289,211.67 - Step 4: Simplify right side
1,142,140.41x = 495,481,622,275.04 - Step 5: Solve for x
x = 495,481,622,275.04/1,142,140.41 - Step 6: Final answer
x = 433,818.48
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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.