Finding the Fourth Proportional to 1,143,021.65, 1,713,332.12 and 384,599.81
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Solution
The fourth proportional to 1,143,021.65, 1,713,332.12 and 384,599.81 is: 576,495.83
Step by Step Solution
- Step 1: Write the proportion equation
1,143,021.65 : 1,713,332.12 = 384,599.81 : x - Step 2: Convert to fraction form
1,143,021.65/1,713,332.12 = 384,599.81/x - Step 3: Cross multiply
1,143,021.65x = 1,713,332.12 × 384,599.81 - Step 4: Simplify right side
1,143,021.65x = 658,947,210,179.23 - Step 5: Solve for x
x = 658,947,210,179.23/1,143,021.65 - Step 6: Final answer
x = 576,495.83
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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.