Finding the Fourth Proportional to 1,119,885.58, 1,678,764.12 and 713,938.24
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Solution
The fourth proportional to 1,119,885.58, 1,678,764.12 and 713,938.24 is: 1,070,228.89
Step by Step Solution
- Step 1: Write the proportion equation
1,119,885.58 : 1,678,764.12 = 713,938.24 : x - Step 2: Convert to fraction form
1,119,885.58/1,678,764.12 = 713,938.24/x - Step 3: Cross multiply
1,119,885.58x = 1,678,764.12 × 713,938.24 - Step 4: Simplify right side
1,119,885.58x = 1,198,533,901,207.95 - Step 5: Solve for x
x = 1,198,533,901,207.95/1,119,885.58 - Step 6: Final answer
x = 1,070,228.89
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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.