Finding the Fourth Proportional to 1,101,421.58, 1,519,987.99 and 618,022.49
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Solution
The fourth proportional to 1,101,421.58, 1,519,987.99 and 618,022.49 is: 852,885.73
Step by Step Solution
- Step 1: Write the proportion equation
1,101,421.58 : 1,519,987.99 = 618,022.49 : x - Step 2: Convert to fraction form
1,101,421.58/1,519,987.99 = 618,022.49/x - Step 3: Cross multiply
1,101,421.58x = 1,519,987.99 × 618,022.49 - Step 4: Simplify right side
1,101,421.58x = 939,386,753,204.90 - Step 5: Solve for x
x = 939,386,753,204.90/1,101,421.58 - Step 6: Final answer
x = 852,885.73
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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.