Finding the Fourth Proportional to 1,163,810.39, 1,605,817.67 and 680,281.99
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Solution
The fourth proportional to 1,163,810.39, 1,605,817.67 and 680,281.99 is: 938,648.47
Step by Step Solution
- Step 1: Write the proportion equation
1,163,810.39 : 1,605,817.67 = 680,281.99 : x - Step 2: Convert to fraction form
1,163,810.39/1,605,817.67 = 680,281.99/x - Step 3: Cross multiply
1,163,810.39x = 1,605,817.67 × 680,281.99 - Step 4: Simplify right side
1,163,810.39x = 1,092,408,832,708.81 - Step 5: Solve for x
x = 1,092,408,832,708.81/1,163,810.39 - Step 6: Final answer
x = 938,648.47
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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.