Finding the Fourth Proportional to 1,055,651.94, 1,583,455.70 and 256,937.94
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Solution
The fourth proportional to 1,055,651.94, 1,583,455.70 and 256,937.94 is: 385,401.50
Step by Step Solution
- Step 1: Write the proportion equation
1,055,651.94 : 1,583,455.70 = 256,937.94 : x - Step 2: Convert to fraction form
1,055,651.94/1,583,455.70 = 256,937.94/x - Step 3: Cross multiply
1,055,651.94x = 1,583,455.70 × 256,937.94 - Step 4: Simplify right side
1,055,651.94x = 406,849,845,639.26 - Step 5: Solve for x
x = 406,849,845,639.26/1,055,651.94 - Step 6: Final answer
x = 385,401.50
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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.