Finding the Fourth Proportional to 1,129,543.84, 1,694,316.36 and 709,114.96
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Solution
The fourth proportional to 1,129,543.84, 1,694,316.36 and 709,114.96 is: 1,063,672.82
Step by Step Solution
- Step 1: Write the proportion equation
1,129,543.84 : 1,694,316.36 = 709,114.96 : x - Step 2: Convert to fraction form
1,129,543.84/1,694,316.36 = 709,114.96/x - Step 3: Cross multiply
1,129,543.84x = 1,694,316.36 × 709,114.96 - Step 4: Simplify right side
1,129,543.84x = 1,201,465,077,848.75 - Step 5: Solve for x
x = 1,201,465,077,848.75/1,129,543.84 - Step 6: Final answer
x = 1,063,672.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.