Finding the Fourth Proportional to 1,245,709.70, 1,868,564.55 and 996,877.70
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Solution
The fourth proportional to 1,245,709.70, 1,868,564.55 and 996,877.70 is: 1,495,316.55
Step by Step Solution
- Step 1: Write the proportion equation
1,245,709.70 : 1,868,564.55 = 996,877.70 : x - Step 2: Convert to fraction form
1,245,709.70/1,868,564.55 = 996,877.70/x - Step 3: Cross multiply
1,245,709.70x = 1,868,564.55 × 996,877.70 - Step 4: Simplify right side
1,245,709.70x = 1,862,730,330,905.54 - Step 5: Solve for x
x = 1,862,730,330,905.54/1,245,709.70 - Step 6: Final answer
x = 1,495,316.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.