Finding the Fourth Proportional to 1,368,386.01, 1,888,367.99 and 764,774.01
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Solution
The fourth proportional to 1,368,386.01, 1,888,367.99 and 764,774.01 is: 1,055,385.50
Step by Step Solution
- Step 1: Write the proportion equation
1,368,386.01 : 1,888,367.99 = 764,774.01 : x - Step 2: Convert to fraction form
1,368,386.01/1,888,367.99 = 764,774.01/x - Step 3: Cross multiply
1,368,386.01x = 1,888,367.99 × 764,774.01 - Step 4: Simplify right side
1,368,386.01x = 1,444,174,756,244.07 - Step 5: Solve for x
x = 1,444,174,756,244.07/1,368,386.01 - Step 6: Final answer
x = 1,055,385.50
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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.