Finding the Fourth Proportional to 1,143,155.08, 1,577,409.01 and 626,773.08
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Solution
The fourth proportional to 1,143,155.08, 1,577,409.01 and 626,773.08 is: 864,867.35
Step by Step Solution
- Step 1: Write the proportion equation
1,143,155.08 : 1,577,409.01 = 626,773.08 : x - Step 2: Convert to fraction form
1,143,155.08/1,577,409.01 = 626,773.08/x - Step 3: Cross multiply
1,143,155.08x = 1,577,409.01 × 626,773.08 - Step 4: Simplify right side
1,143,155.08x = 988,677,503,617.45 - Step 5: Solve for x
x = 988,677,503,617.45/1,143,155.08 - Step 6: Final answer
x = 864,867.35
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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.