Finding the Fourth Proportional to 1,009,264.48, 1,392,721.36 and 579,241.92
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Solution
The fourth proportional to 1,009,264.48, 1,392,721.36 and 579,241.92 is: 799,317.34
Step by Step Solution
- Step 1: Write the proportion equation
1,009,264.48 : 1,392,721.36 = 579,241.92 : x - Step 2: Convert to fraction form
1,009,264.48/1,392,721.36 = 579,241.92/x - Step 3: Cross multiply
1,009,264.48x = 1,392,721.36 × 579,241.92 - Step 4: Simplify right side
1,009,264.48x = 806,722,594,591.41 - Step 5: Solve for x
x = 806,722,594,591.41/1,009,264.48 - Step 6: Final answer
x = 799,317.34
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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.