Finding the Fourth Proportional to 1,279,167.84, 1,765,254.24 and 706,209.12
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Solution
The fourth proportional to 1,279,167.84, 1,765,254.24 and 706,209.12 is: 974,570.03
Step by Step Solution
- Step 1: Write the proportion equation
1,279,167.84 : 1,765,254.24 = 706,209.12 : x - Step 2: Convert to fraction form
1,279,167.84/1,765,254.24 = 706,209.12/x - Step 3: Cross multiply
1,279,167.84x = 1,765,254.24 × 706,209.12 - Step 4: Simplify right side
1,279,167.84x = 1,246,638,643,406.67 - Step 5: Solve for x
x = 1,246,638,643,406.67/1,279,167.84 - Step 6: Final answer
x = 974,570.03
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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.