Finding the Fourth Proportional to 1,275,866.48, 1,760,691.68 and 702,901.68
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Solution
The fourth proportional to 1,275,866.48, 1,760,691.68 and 702,901.68 is: 970,002.08
Step by Step Solution
- Step 1: Write the proportion equation
1,275,866.48 : 1,760,691.68 = 702,901.68 : x - Step 2: Convert to fraction form
1,275,866.48/1,760,691.68 = 702,901.68/x - Step 3: Cross multiply
1,275,866.48x = 1,760,691.68 × 702,901.68 - Step 4: Simplify right side
1,275,866.48x = 1,237,593,139,834.02 - Step 5: Solve for x
x = 1,237,593,139,834.02/1,275,866.48 - Step 6: Final answer
x = 970,002.08
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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.