Finding the Fourth Proportional to 1,292,024.50, 1,782,993.81 and 719,199.99
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Solution
The fourth proportional to 1,292,024.50, 1,782,993.81 and 719,199.99 is: 992,495.99
Step by Step Solution
- Step 1: Write the proportion equation
1,292,024.50 : 1,782,993.81 = 719,199.99 : x - Step 2: Convert to fraction form
1,292,024.50/1,782,993.81 = 719,199.99/x - Step 3: Cross multiply
1,292,024.50x = 1,782,993.81 × 719,199.99 - Step 4: Simplify right side
1,292,024.50x = 1,282,329,130,322.06 - Step 5: Solve for x
x = 1,282,329,130,322.06/1,292,024.50 - Step 6: Final answer
x = 992,495.99
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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.