Finding the Fourth Proportional to 1,217,753.04, 1,680,457.92 and 673,911.84
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Solution
The fourth proportional to 1,217,753.04, 1,680,457.92 and 673,911.84 is: 929,975.50
Step by Step Solution
- Step 1: Write the proportion equation
1,217,753.04 : 1,680,457.92 = 673,911.84 : x - Step 2: Convert to fraction form
1,217,753.04/1,680,457.92 = 673,911.84/x - Step 3: Cross multiply
1,217,753.04x = 1,680,457.92 × 673,911.84 - Step 4: Simplify right side
1,217,753.04x = 1,132,480,488,909.77 - Step 5: Solve for x
x = 1,132,480,488,909.77/1,217,753.04 - Step 6: Final answer
x = 929,975.50
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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.