Finding the Fourth Proportional to 1,130,722.17, 1,560,760.24 and 723,919.67
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Solution
The fourth proportional to 1,130,722.17, 1,560,760.24 and 723,919.67 is: 999,241.96
Step by Step Solution
- Step 1: Write the proportion equation
1,130,722.17 : 1,560,760.24 = 723,919.67 : x - Step 2: Convert to fraction form
1,130,722.17/1,560,760.24 = 723,919.67/x - Step 3: Cross multiply
1,130,722.17x = 1,560,760.24 × 723,919.67 - Step 4: Simplify right side
1,130,722.17x = 1,129,865,032,782.66 - Step 5: Solve for x
x = 1,129,865,032,782.66/1,130,722.17 - Step 6: Final answer
x = 999,241.96
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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.