Finding the Fourth Proportional to 1,233,487.36, 1,702,118.64 and 749,985.40
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Solution
The fourth proportional to 1,233,487.36, 1,702,118.64 and 749,985.40 is: 1,034,922.75
Step by Step Solution
- Step 1: Write the proportion equation
1,233,487.36 : 1,702,118.64 = 749,985.40 : x - Step 2: Convert to fraction form
1,233,487.36/1,702,118.64 = 749,985.40/x - Step 3: Cross multiply
1,233,487.36x = 1,702,118.64 × 749,985.40 - Step 4: Simplify right side
1,233,487.36x = 1,276,564,129,067.86 - Step 5: Solve for x
x = 1,276,564,129,067.86/1,233,487.36 - Step 6: Final answer
x = 1,034,922.75
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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.