Finding the Fourth Proportional to 1,243,637.58, 1,862,466.94 and 709,539.38
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Solution
The fourth proportional to 1,243,637.58, 1,862,466.94 and 709,539.38 is: 1,062,603.49
Step by Step Solution
- Step 1: Write the proportion equation
1,243,637.58 : 1,862,466.94 = 709,539.38 : x - Step 2: Convert to fraction form
1,243,637.58/1,862,466.94 = 709,539.38/x - Step 3: Cross multiply
1,243,637.58x = 1,862,466.94 × 709,539.38 - Step 4: Simplify right side
1,243,637.58x = 1,321,493,637,878.10 - Step 5: Solve for x
x = 1,321,493,637,878.10/1,243,637.58 - Step 6: Final answer
x = 1,062,603.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.