Finding the Fourth Proportional to 1,112,544.79, 1,535,341.99 and 629,182.22
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Solution
The fourth proportional to 1,112,544.79, 1,535,341.99 and 629,182.22 is: 868,288.53
Step by Step Solution
- Step 1: Write the proportion equation
1,112,544.79 : 1,535,341.99 = 629,182.22 : x - Step 2: Convert to fraction form
1,112,544.79/1,535,341.99 = 629,182.22/x - Step 3: Cross multiply
1,112,544.79x = 1,535,341.99 × 629,182.22 - Step 4: Simplify right side
1,112,544.79x = 966,009,875,623.66 - Step 5: Solve for x
x = 966,009,875,623.66/1,112,544.79 - Step 6: Final answer
x = 868,288.53
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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.