Finding the Fourth Proportional to 1,113,002.25, 1,535,943.11 and 629,556.99
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Solution
The fourth proportional to 1,113,002.25, 1,535,943.11 and 629,556.99 is: 868,788.65
Step by Step Solution
- Step 1: Write the proportion equation
1,113,002.25 : 1,535,943.11 = 629,556.99 : x - Step 2: Convert to fraction form
1,113,002.25/1,535,943.11 = 629,556.99/x - Step 3: Cross multiply
1,113,002.25x = 1,535,943.11 × 629,556.99 - Step 4: Simplify right side
1,113,002.25x = 966,963,717,995.05 - Step 5: Solve for x
x = 966,963,717,995.05/1,113,002.25 - Step 6: Final answer
x = 868,788.65
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1.5x scale
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.