Finding the Fourth Proportional to 1,038,863.80, 1,558,295.70 and 914,447.80
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Solution
The fourth proportional to 1,038,863.80, 1,558,295.70 and 914,447.80 is: 1,371,671.70
Step by Step Solution
- Step 1: Write the proportion equation
1,038,863.80 : 1,558,295.70 = 914,447.80 : x - Step 2: Convert to fraction form
1,038,863.80/1,558,295.70 = 914,447.80/x - Step 3: Cross multiply
1,038,863.80x = 1,558,295.70 × 914,447.80 - Step 4: Simplify right side
1,038,863.80x = 1,424,980,074,614.46 - Step 5: Solve for x
x = 1,424,980,074,614.46/1,038,863.80 - Step 6: Final answer
x = 1,371,671.70
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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.