Finding the Fourth Proportional to 1,079,419.75, 1,489,730.48 and 626,710.75
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Solution
The fourth proportional to 1,079,419.75, 1,489,730.48 and 626,710.75 is: 864,937.02
Step by Step Solution
- Step 1: Write the proportion equation
1,079,419.75 : 1,489,730.48 = 626,710.75 : x - Step 2: Convert to fraction form
1,079,419.75/1,489,730.48 = 626,710.75/x - Step 3: Cross multiply
1,079,419.75x = 1,489,730.48 × 626,710.75 - Step 4: Simplify right side
1,079,419.75x = 933,630,106,418.66 - Step 5: Solve for x
x = 933,630,106,418.66/1,079,419.75 - Step 6: Final answer
x = 864,937.02
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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.