Finding the Fourth Proportional to 1,139,029.99, 1,709,386.11 and 539,993.25
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Solution
The fourth proportional to 1,139,029.99, 1,709,386.11 and 539,993.25 is: 810,388.64
Step by Step Solution
- Step 1: Write the proportion equation
1,139,029.99 : 1,709,386.11 = 539,993.25 : x - Step 2: Convert to fraction form
1,139,029.99/1,709,386.11 = 539,993.25/x - Step 3: Cross multiply
1,139,029.99x = 1,709,386.11 × 539,993.25 - Step 4: Simplify right side
1,139,029.99x = 923,056,961,043.76 - Step 5: Solve for x
x = 923,056,961,043.76/1,139,029.99 - Step 6: Final answer
x = 810,388.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.