Finding the Fourth Proportional to 1,167,278.06, 1,611,593.28 and 732,291.66
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Solution
The fourth proportional to 1,167,278.06, 1,611,593.28 and 732,291.66 is: 1,011,032.72
Step by Step Solution
- Step 1: Write the proportion equation
1,167,278.06 : 1,611,593.28 = 732,291.66 : x - Step 2: Convert to fraction form
1,167,278.06/1,611,593.28 = 732,291.66/x - Step 3: Cross multiply
1,167,278.06x = 1,611,593.28 × 732,291.66 - Step 4: Simplify right side
1,167,278.06x = 1,180,156,318,256.05 - Step 5: Solve for x
x = 1,180,156,318,256.05/1,167,278.06 - Step 6: Final answer
x = 1,011,032.72
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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.