Finding the Fourth Proportional to 1,397,263.91, 1,928,428.36 and 785,466.99
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Solution
The fourth proportional to 1,397,263.91, 1,928,428.36 and 785,466.99 is: 1,084,059.22
Step by Step Solution
- Step 1: Write the proportion equation
1,397,263.91 : 1,928,428.36 = 785,466.99 : x - Step 2: Convert to fraction form
1,397,263.91/1,928,428.36 = 785,466.99/x - Step 3: Cross multiply
1,397,263.91x = 1,928,428.36 × 785,466.99 - Step 4: Simplify right side
1,397,263.91x = 1,514,716,817,396.17 - Step 5: Solve for x
x = 1,514,716,817,396.17/1,397,263.91 - Step 6: Final answer
x = 1,084,059.22
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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.