Finding the Fourth Proportional to 1,326,103.98, 1,990,547.14 and 1,175,265.98
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Solution
The fourth proportional to 1,326,103.98, 1,990,547.14 and 1,175,265.98 is: 1,764,131.90
Step by Step Solution
- Step 1: Write the proportion equation
1,326,103.98 : 1,990,547.14 = 1,175,265.98 : x - Step 2: Convert to fraction form
1,326,103.98/1,990,547.14 = 1,175,265.98/x - Step 3: Cross multiply
1,326,103.98x = 1,990,547.14 × 1,175,265.98 - Step 4: Simplify right side
1,326,103.98x = 2,339,422,335,228.30 - Step 5: Solve for x
x = 2,339,422,335,228.30/1,326,103.98 - Step 6: Final answer
x = 1,764,131.90
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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.