Finding the Fourth Proportional to 1,207,378.14, 1,666,101.26 and 663,502.23
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Solution
The fourth proportional to 1,207,378.14, 1,666,101.26 and 663,502.23 is: 915,588.80
Step by Step Solution
- Step 1: Write the proportion equation
1,207,378.14 : 1,666,101.26 = 663,502.23 : x - Step 2: Convert to fraction form
1,207,378.14/1,666,101.26 = 663,502.23/x - Step 3: Cross multiply
1,207,378.14x = 1,666,101.26 × 663,502.23 - Step 4: Simplify right side
1,207,378.14x = 1,105,461,898,098.30 - Step 5: Solve for x
x = 1,105,461,898,098.30/1,207,378.14 - Step 6: Final answer
x = 915,588.80
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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.