Finding the Fourth Proportional to 1,000,917.88, 1,381,365.96 and 571,263.08
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Solution
The fourth proportional to 1,000,917.88, 1,381,365.96 and 571,263.08 is: 788,399.72
Step by Step Solution
- Step 1: Write the proportion equation
1,000,917.88 : 1,381,365.96 = 571,263.08 : x - Step 2: Convert to fraction form
1,000,917.88/1,381,365.96 = 571,263.08/x - Step 3: Cross multiply
1,000,917.88x = 1,381,365.96 × 571,263.08 - Step 4: Simplify right side
1,000,917.88x = 789,123,372,916.76 - Step 5: Solve for x
x = 789,123,372,916.76/1,000,917.88 - Step 6: Final answer
x = 788,399.72
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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.