Finding the Fourth Proportional to 1,286,930.99, 1,775,988.23 and 706,184.07
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Solution
The fourth proportional to 1,286,930.99, 1,775,988.23 and 706,184.07 is: 974,546.89
Step by Step Solution
- Step 1: Write the proportion equation
1,286,930.99 : 1,775,988.23 = 706,184.07 : x - Step 2: Convert to fraction form
1,286,930.99/1,775,988.23 = 706,184.07/x - Step 3: Cross multiply
1,286,930.99x = 1,775,988.23 × 706,184.07 - Step 4: Simplify right side
1,286,930.99x = 1,254,174,593,002.58 - Step 5: Solve for x
x = 1,254,174,593,002.58/1,286,930.99 - Step 6: Final answer
x = 974,546.89
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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.