Finding the Fourth Proportional to 1,334,828.99, 1,842,052.84 and 722,967.54
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Solution
The fourth proportional to 1,334,828.99, 1,842,052.84 and 722,967.54 is: 997,689.16
Step by Step Solution
- Step 1: Write the proportion equation
1,334,828.99 : 1,842,052.84 = 722,967.54 : x - Step 2: Convert to fraction form
1,334,828.99/1,842,052.84 = 722,967.54/x - Step 3: Cross multiply
1,334,828.99x = 1,842,052.84 × 722,967.54 - Step 4: Simplify right side
1,334,828.99x = 1,331,744,408,477.39 - Step 5: Solve for x
x = 1,331,744,408,477.39/1,334,828.99 - Step 6: Final answer
x = 997,689.16
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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.