Finding the Fourth Proportional to 1,026,394.74, 1,539,430.40 and 343,276.40
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Solution
The fourth proportional to 1,026,394.74, 1,539,430.40 and 343,276.40 is: 514,860.52
Step by Step Solution
- Step 1: Write the proportion equation
1,026,394.74 : 1,539,430.40 = 343,276.40 : x - Step 2: Convert to fraction form
1,026,394.74/1,539,430.40 = 343,276.40/x - Step 3: Cross multiply
1,026,394.74x = 1,539,430.40 × 343,276.40 - Step 4: Simplify right side
1,026,394.74x = 528,450,125,762.56 - Step 5: Solve for x
x = 528,450,125,762.56/1,026,394.74 - Step 6: Final answer
x = 514,860.52
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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.