Finding the Fourth Proportional to 1,291,977, 1,782,910.84 and 719,017.02
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Solution
The fourth proportional to 1,291,977, 1,782,910.84 and 719,017.02 is: 992,233.79
Step by Step Solution
- Step 1: Write the proportion equation
1,291,977 : 1,782,910.84 = 719,017.02 : x - Step 2: Convert to fraction form
1,291,977/1,782,910.84 = 719,017.02/x - Step 3: Cross multiply
1,291,977x = 1,782,910.84 × 719,017.02 - Step 4: Simplify right side
1,291,977x = 1,281,943,239,102.50 - Step 5: Solve for x
x = 1,281,943,239,102.50/1,291,977 - Step 6: Final answer
x = 992,233.79
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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.