Finding the Fourth Proportional to 1,294,395.78, 1,786,217.46 and 750,554.52
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Solution
The fourth proportional to 1,294,395.78, 1,786,217.46 and 750,554.52 is: 1,035,736.99
Step by Step Solution
- Step 1: Write the proportion equation
1,294,395.78 : 1,786,217.46 = 750,554.52 : x - Step 2: Convert to fraction form
1,294,395.78/1,786,217.46 = 750,554.52/x - Step 3: Cross multiply
1,294,395.78x = 1,786,217.46 × 750,554.52 - Step 4: Simplify right side
1,294,395.78x = 1,340,653,588,305.92 - Step 5: Solve for x
x = 1,340,653,588,305.92/1,294,395.78 - Step 6: Final answer
x = 1,035,736.99
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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.