Finding the Fourth Proportional to 1,292,013.99, 1,782,942.03 and 719,041.86
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Solution
The fourth proportional to 1,292,013.99, 1,782,942.03 and 719,041.86 is: 992,257.02
Step by Step Solution
- Step 1: Write the proportion equation
1,292,013.99 : 1,782,942.03 = 719,041.86 : x - Step 2: Convert to fraction form
1,292,013.99/1,782,942.03 = 719,041.86/x - Step 3: Cross multiply
1,292,013.99x = 1,782,942.03 × 719,041.86 - Step 4: Simplify right side
1,292,013.99x = 1,282,009,953,523.38 - Step 5: Solve for x
x = 1,282,009,953,523.38/1,292,013.99 - Step 6: Final answer
x = 992,257.02
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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.