Finding the Fourth Proportional to 1,054,591.90, 1,455,329.58 and 571,145.99
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Solution
The fourth proportional to 1,054,591.90, 1,455,329.58 and 571,145.99 is: 788,177.54
Step by Step Solution
- Step 1: Write the proportion equation
1,054,591.90 : 1,455,329.58 = 571,145.99 : x - Step 2: Convert to fraction form
1,054,591.90/1,455,329.58 = 571,145.99/x - Step 3: Cross multiply
1,054,591.90x = 1,455,329.58 × 571,145.99 - Step 4: Simplify right side
1,054,591.90x = 831,205,647,539.64 - Step 5: Solve for x
x = 831,205,647,539.64/1,054,591.90 - Step 6: Final answer
x = 788,177.54
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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.