Finding the Fourth Proportional to 1,149,484.59, 1,586,289.23 and 666,329.99
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Solution
The fourth proportional to 1,149,484.59, 1,586,289.23 and 666,329.99 is: 919,535.66
Step by Step Solution
- Step 1: Write the proportion equation
1,149,484.59 : 1,586,289.23 = 666,329.99 : x - Step 2: Convert to fraction form
1,149,484.59/1,586,289.23 = 666,329.99/x - Step 3: Cross multiply
1,149,484.59x = 1,586,289.23 × 666,329.99 - Step 4: Simplify right side
1,149,484.59x = 1,056,992,075,499.91 - Step 5: Solve for x
x = 1,056,992,075,499.91/1,149,484.59 - Step 6: Final answer
x = 919,535.66
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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.