Finding the Fourth Proportional to 1,335,607.80, 1,843,135.20 and 723,777.54
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Solution
The fourth proportional to 1,335,607.80, 1,843,135.20 and 723,777.54 is: 998,811.07
Step by Step Solution
- Step 1: Write the proportion equation
1,335,607.80 : 1,843,135.20 = 723,777.54 : x - Step 2: Convert to fraction form
1,335,607.80/1,843,135.20 = 723,777.54/x - Step 3: Cross multiply
1,335,607.80x = 1,843,135.20 × 723,777.54 - Step 4: Simplify right side
1,335,607.80x = 1,334,019,860,943.41 - Step 5: Solve for x
x = 1,334,019,860,943.41/1,335,607.80 - Step 6: Final answer
x = 998,811.07
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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.