Finding the Fourth Proportional to 1,397,149.91, 2,091,547.70 and 855,701.34
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Solution
The fourth proportional to 1,397,149.91, 2,091,547.70 and 855,701.34 is: 1,280,993.65
Step by Step Solution
- Step 1: Write the proportion equation
1,397,149.91 : 2,091,547.70 = 855,701.34 : x - Step 2: Convert to fraction form
1,397,149.91/2,091,547.70 = 855,701.34/x - Step 3: Cross multiply
1,397,149.91x = 2,091,547.70 × 855,701.34 - Step 4: Simplify right side
1,397,149.91x = 1,789,740,168,940.13 - Step 5: Solve for x
x = 1,789,740,168,940.13/1,397,149.91 - Step 6: Final answer
x = 1,280,993.65
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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.