Finding the Fourth Proportional to 1,292,386.70, 1,934,353.74 and 950,738.96
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Solution
The fourth proportional to 1,292,386.70, 1,934,353.74 and 950,738.96 is: 1,422,999.37
Step by Step Solution
- Step 1: Write the proportion equation
1,292,386.70 : 1,934,353.74 = 950,738.96 : x - Step 2: Convert to fraction form
1,292,386.70/1,934,353.74 = 950,738.96/x - Step 3: Cross multiply
1,292,386.70x = 1,934,353.74 × 950,738.96 - Step 4: Simplify right side
1,292,386.70x = 1,839,065,463,039.71 - Step 5: Solve for x
x = 1,839,065,463,039.71/1,292,386.70 - Step 6: Final answer
x = 1,422,999.37
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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.