Finding the Fourth Proportional to 1,079,212.24, 1,489,513.80 and 620,595.28
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Solution
The fourth proportional to 1,079,212.24, 1,489,513.80 and 620,595.28 is: 856,537.02
Step by Step Solution
- Step 1: Write the proportion equation
1,079,212.24 : 1,489,513.80 = 620,595.28 : x - Step 2: Convert to fraction form
1,079,212.24/1,489,513.80 = 620,595.28/x - Step 3: Cross multiply
1,079,212.24x = 1,489,513.80 × 620,595.28 - Step 4: Simplify right side
1,079,212.24x = 924,385,233,774.86 - Step 5: Solve for x
x = 924,385,233,774.86/1,079,212.24 - Step 6: Final answer
x = 856,537.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.