Finding the Fourth Proportional to 1,255,295.70, 1,882,943.55 and 402,365.70
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Solution
The fourth proportional to 1,255,295.70, 1,882,943.55 and 402,365.70 is: 603,548.55
Step by Step Solution
- Step 1: Write the proportion equation
1,255,295.70 : 1,882,943.55 = 402,365.70 : x - Step 2: Convert to fraction form
1,255,295.70/1,882,943.55 = 402,365.70/x - Step 3: Cross multiply
1,255,295.70x = 1,882,943.55 × 402,365.70 - Step 4: Simplify right side
1,255,295.70x = 757,631,899,556.24 - Step 5: Solve for x
x = 757,631,899,556.24/1,255,295.70 - Step 6: Final answer
x = 603,548.55
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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.