Finding the Fourth Proportional to 1,117,977.93, 1,542,949.02 and 634,699.53
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Solution
The fourth proportional to 1,117,977.93, 1,542,949.02 and 634,699.53 is: 875,964.54
Step by Step Solution
- Step 1: Write the proportion equation
1,117,977.93 : 1,542,949.02 = 634,699.53 : x - Step 2: Convert to fraction form
1,117,977.93/1,542,949.02 = 634,699.53/x - Step 3: Cross multiply
1,117,977.93x = 1,542,949.02 × 634,699.53 - Step 4: Simplify right side
1,117,977.93x = 979,309,017,807.96 - Step 5: Solve for x
x = 979,309,017,807.96/1,117,977.93 - Step 6: Final answer
x = 875,964.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.