Finding the Fourth Proportional to 1,198,294.36, 1,653,655.40 and 654,420.26
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Solution
The fourth proportional to 1,198,294.36, 1,653,655.40 and 654,420.26 is: 903,104.98
Step by Step Solution
- Step 1: Write the proportion equation
1,198,294.36 : 1,653,655.40 = 654,420.26 : x - Step 2: Convert to fraction form
1,198,294.36/1,653,655.40 = 654,420.26/x - Step 3: Cross multiply
1,198,294.36x = 1,653,655.40 × 654,420.26 - Step 4: Simplify right side
1,198,294.36x = 1,082,185,600,134.52 - Step 5: Solve for x
x = 1,082,185,600,134.52/1,198,294.36 - Step 6: Final answer
x = 903,104.98
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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.