Finding the Fourth Proportional to 1,153,699.18, 1,592,136.98 and 637,486.48
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Solution
The fourth proportional to 1,153,699.18, 1,592,136.98 and 637,486.48 is: 879,749.09
Step by Step Solution
- Step 1: Write the proportion equation
1,153,699.18 : 1,592,136.98 = 637,486.48 : x - Step 2: Convert to fraction form
1,153,699.18/1,592,136.98 = 637,486.48/x - Step 3: Cross multiply
1,153,699.18x = 1,592,136.98 × 637,486.48 - Step 4: Simplify right side
1,153,699.18x = 1,014,965,796,671.40 - Step 5: Solve for x
x = 1,014,965,796,671.40/1,153,699.18 - Step 6: Final answer
x = 879,749.09
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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.