Finding the Fourth Proportional to 1,280,854.68, 1,921,212.72 and 649,752.12
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Solution
The fourth proportional to 1,280,854.68, 1,921,212.72 and 649,752.12 is: 974,593.03
Step by Step Solution
- Step 1: Write the proportion equation
1,280,854.68 : 1,921,212.72 = 649,752.12 : x - Step 2: Convert to fraction form
1,280,854.68/1,921,212.72 = 649,752.12/x - Step 3: Cross multiply
1,280,854.68x = 1,921,212.72 × 649,752.12 - Step 4: Simplify right side
1,280,854.68x = 1,248,312,037,790.97 - Step 5: Solve for x
x = 1,248,312,037,790.97/1,280,854.68 - Step 6: Final answer
x = 974,593.03
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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.