Finding the Fourth Proportional to 1,438,579.23, 1,985,097.99 and 793,957.80
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Solution
The fourth proportional to 1,438,579.23, 1,985,097.99 and 793,957.80 is: 1,095,583.75
Step by Step Solution
- Step 1: Write the proportion equation
1,438,579.23 : 1,985,097.99 = 793,957.80 : x - Step 2: Convert to fraction form
1,438,579.23/1,985,097.99 = 793,957.80/x - Step 3: Cross multiply
1,438,579.23x = 1,985,097.99 × 793,957.80 - Step 4: Simplify right side
1,438,579.23x = 1,576,084,032,924.82 - Step 5: Solve for x
x = 1,576,084,032,924.82/1,438,579.23 - Step 6: Final answer
x = 1,095,583.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.