Finding the Fourth Proportional to 1,163,860.02, 1,605,885.99 and 680,331.66
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Solution
The fourth proportional to 1,163,860.02, 1,605,885.99 and 680,331.66 is: 938,716.91
Step by Step Solution
- Step 1: Write the proportion equation
1,163,860.02 : 1,605,885.99 = 680,331.66 : x - Step 2: Convert to fraction form
1,163,860.02/1,605,885.99 = 680,331.66/x - Step 3: Cross multiply
1,163,860.02x = 1,605,885.99 × 680,331.66 - Step 4: Simplify right side
1,163,860.02x = 1,092,535,081,347.44 - Step 5: Solve for x
x = 1,092,535,081,347.44/1,163,860.02 - Step 6: Final answer
x = 938,716.91
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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.