Finding the Fourth Proportional to 1,115,305.36, 1,539,130.78 and 606,007.74
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Solution
The fourth proportional to 1,115,305.36, 1,539,130.78 and 606,007.74 is: 836,295.78
Step by Step Solution
- Step 1: Write the proportion equation
1,115,305.36 : 1,539,130.78 = 606,007.74 : x - Step 2: Convert to fraction form
1,115,305.36/1,539,130.78 = 606,007.74/x - Step 3: Cross multiply
1,115,305.36x = 1,539,130.78 × 606,007.74 - Step 4: Simplify right side
1,115,305.36x = 932,725,165,552.24 - Step 5: Solve for x
x = 932,725,165,552.24/1,115,305.36 - Step 6: Final answer
x = 836,295.78
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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.