Finding the Fourth Proportional to 1,026,081, 1,539,325.62 and 316,078.74
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Solution
The fourth proportional to 1,026,081, 1,539,325.62 and 316,078.74 is: 474,180.99
Step by Step Solution
- Step 1: Write the proportion equation
1,026,081 : 1,539,325.62 = 316,078.74 : x - Step 2: Convert to fraction form
1,026,081/1,539,325.62 = 316,078.74/x - Step 3: Cross multiply
1,026,081x = 1,539,325.62 × 316,078.74 - Step 4: Simplify right side
1,026,081x = 486,548,102,419.32 - Step 5: Solve for x
x = 486,548,102,419.32/1,026,081 - Step 6: Final answer
x = 474,180.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.