Finding the Fourth Proportional to 1,229,410.08, 1,696,752.36 and 720,315.36
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Solution
The fourth proportional to 1,229,410.08, 1,696,752.36 and 720,315.36 is: 994,132.72
Step by Step Solution
- Step 1: Write the proportion equation
1,229,410.08 : 1,696,752.36 = 720,315.36 : x - Step 2: Convert to fraction form
1,229,410.08/1,696,752.36 = 720,315.36/x - Step 3: Cross multiply
1,229,410.08x = 1,696,752.36 × 720,315.36 - Step 4: Simplify right side
1,229,410.08x = 1,222,196,787,024.25 - Step 5: Solve for x
x = 1,222,196,787,024.25/1,229,410.08 - Step 6: Final answer
x = 994,132.72
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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.