Finding the Fourth Proportional to 1,129,703.04, 1,559,000.96 and 620,416
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Solution
The fourth proportional to 1,129,703.04, 1,559,000.96 and 620,416 is: 856,179.99
Step by Step Solution
- Step 1: Write the proportion equation
1,129,703.04 : 1,559,000.96 = 620,416 : x - Step 2: Convert to fraction form
1,129,703.04/1,559,000.96 = 620,416/x - Step 3: Cross multiply
1,129,703.04x = 1,559,000.96 × 620,416 - Step 4: Simplify right side
1,129,703.04x = 967,229,139,599.36 - Step 5: Solve for x
x = 967,229,139,599.36/1,129,703.04 - Step 6: Final answer
x = 856,179.99
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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.