Finding the Fourth Proportional to 1,365,728.19, 1,884,705.29 and 753,881.36
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Solution
The fourth proportional to 1,365,728.19, 1,884,705.29 and 753,881.36 is: 1,040,356.48
Step by Step Solution
- Step 1: Write the proportion equation
1,365,728.19 : 1,884,705.29 = 753,881.36 : x - Step 2: Convert to fraction form
1,365,728.19/1,884,705.29 = 753,881.36/x - Step 3: Cross multiply
1,365,728.19x = 1,884,705.29 × 753,881.36 - Step 4: Simplify right side
1,365,728.19x = 1,420,844,174,031.46 - Step 5: Solve for x
x = 1,420,844,174,031.46/1,365,728.19 - Step 6: Final answer
x = 1,040,356.48
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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.