Finding the Fourth Proportional to 1,167,893.99, 1,611,418.64 and 708,996.99
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Solution
The fourth proportional to 1,167,893.99, 1,611,418.64 and 708,996.99 is: 978,248.86
Step by Step Solution
- Step 1: Write the proportion equation
1,167,893.99 : 1,611,418.64 = 708,996.99 : x - Step 2: Convert to fraction form
1,167,893.99/1,611,418.64 = 708,996.99/x - Step 3: Cross multiply
1,167,893.99x = 1,611,418.64 × 708,996.99 - Step 4: Simplify right side
1,167,893.99x = 1,142,490,961,844.91 - Step 5: Solve for x
x = 1,142,490,961,844.91/1,167,893.99 - Step 6: Final answer
x = 978,248.86
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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.