Finding the Fourth Proportional to 1,284,983.96, 1,773,277.29 and 768,759.68
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Solution
The fourth proportional to 1,284,983.96, 1,773,277.29 and 768,759.68 is: 1,060,888.02
Step by Step Solution
- Step 1: Write the proportion equation
1,284,983.96 : 1,773,277.29 = 768,759.68 : x - Step 2: Convert to fraction form
1,284,983.96/1,773,277.29 = 768,759.68/x - Step 3: Cross multiply
1,284,983.96x = 1,773,277.29 × 768,759.68 - Step 4: Simplify right side
1,284,983.96x = 1,363,224,086,444.86 - Step 5: Solve for x
x = 1,363,224,086,444.86/1,284,983.96 - Step 6: Final answer
x = 1,060,888.02
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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.