Finding the Fourth Proportional to 1,240,736.24, 1,712,172.84 and 758,109.20
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Solution
The fourth proportional to 1,240,736.24, 1,712,172.84 and 758,109.20 is: 1,046,164.32
Step by Step Solution
- Step 1: Write the proportion equation
1,240,736.24 : 1,712,172.84 = 758,109.20 : x - Step 2: Convert to fraction form
1,240,736.24/1,712,172.84 = 758,109.20/x - Step 3: Cross multiply
1,240,736.24x = 1,712,172.84 × 758,109.20 - Step 4: Simplify right side
1,240,736.24x = 1,298,013,981,994.13 - Step 5: Solve for x
x = 1,298,013,981,994.13/1,240,736.24 - Step 6: Final answer
x = 1,046,164.32
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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.