Finding the Fourth Proportional to 1,423,927.81, 1,965,005.41 and 770,539.53
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Solution
The fourth proportional to 1,423,927.81, 1,965,005.41 and 770,539.53 is: 1,063,336.45
Step by Step Solution
- Step 1: Write the proportion equation
1,423,927.81 : 1,965,005.41 = 770,539.53 : x - Step 2: Convert to fraction form
1,423,927.81/1,965,005.41 = 770,539.53/x - Step 3: Cross multiply
1,423,927.81x = 1,965,005.41 × 770,539.53 - Step 4: Simplify right side
1,423,927.81x = 1,514,114,345,332.26 - Step 5: Solve for x
x = 1,514,114,345,332.26/1,423,927.81 - Step 6: Final answer
x = 1,063,336.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.