Finding the Fourth Proportional to 1,143,336.08, 1,577,794.92 and 634,039.76
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Solution
The fourth proportional to 1,143,336.08, 1,577,794.92 and 634,039.76 is: 874,969.95
Step by Step Solution
- Step 1: Write the proportion equation
1,143,336.08 : 1,577,794.92 = 634,039.76 : x - Step 2: Convert to fraction form
1,143,336.08/1,577,794.92 = 634,039.76/x - Step 3: Cross multiply
1,143,336.08x = 1,577,794.92 × 634,039.76 - Step 4: Simplify right side
1,143,336.08x = 1,000,384,712,406.02 - Step 5: Solve for x
x = 1,000,384,712,406.02/1,143,336.08 - Step 6: Final answer
x = 874,969.95
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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.