Finding the Fourth Proportional to 1,021,913.11, 1,410,277.04 and 634,941.91
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Solution
The fourth proportional to 1,021,913.11, 1,410,277.04 and 634,941.91 is: 876,242.80
Step by Step Solution
- Step 1: Write the proportion equation
1,021,913.11 : 1,410,277.04 = 634,941.91 : x - Step 2: Convert to fraction form
1,021,913.11/1,410,277.04 = 634,941.91/x - Step 3: Cross multiply
1,021,913.11x = 1,410,277.04 × 634,941.91 - Step 4: Simplify right side
1,021,913.11x = 895,444,003,235.24 - Step 5: Solve for x
x = 895,444,003,235.24/1,021,913.11 - Step 6: Final answer
x = 876,242.80
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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.