Finding the Fourth Proportional to 1,429,387.96, 2,144,129.30 and 719,028.92
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Solution
The fourth proportional to 1,429,387.96, 2,144,129.30 and 719,028.92 is: 1,078,567.20
Step by Step Solution
- Step 1: Write the proportion equation
1,429,387.96 : 2,144,129.30 = 719,028.92 : x - Step 2: Convert to fraction form
1,429,387.96/2,144,129.30 = 719,028.92/x - Step 3: Cross multiply
1,429,387.96x = 2,144,129.30 × 719,028.92 - Step 4: Simplify right side
1,429,387.96x = 1,541,690,974,919.36 - Step 5: Solve for x
x = 1,541,690,974,919.36/1,429,387.96 - Step 6: Final answer
x = 1,078,567.20
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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.