Finding the Fourth Proportional to 1,279,294.04, 1,765,453.32 and 706,370.48
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Solution
The fourth proportional to 1,279,294.04, 1,765,453.32 and 706,370.48 is: 974,806.47
Step by Step Solution
- Step 1: Write the proportion equation
1,279,294.04 : 1,765,453.32 = 706,370.48 : x - Step 2: Convert to fraction form
1,279,294.04/1,765,453.32 = 706,370.48/x - Step 3: Cross multiply
1,279,294.04x = 1,765,453.32 × 706,370.48 - Step 4: Simplify right side
1,279,294.04x = 1,247,064,109,065.99 - Step 5: Solve for x
x = 1,247,064,109,065.99/1,279,294.04 - Step 6: Final answer
x = 974,806.47
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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.