Finding the Fourth Proportional to 1,211,178.56, 1,671,464.30 and 695,026.96
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Solution
The fourth proportional to 1,211,178.56, 1,671,464.30 and 695,026.96 is: 959,158.94
Step by Step Solution
- Step 1: Write the proportion equation
1,211,178.56 : 1,671,464.30 = 695,026.96 : x - Step 2: Convert to fraction form
1,211,178.56/1,671,464.30 = 695,026.96/x - Step 3: Cross multiply
1,211,178.56x = 1,671,464.30 × 695,026.96 - Step 4: Simplify right side
1,211,178.56x = 1,161,712,743,523.73 - Step 5: Solve for x
x = 1,161,712,743,523.73/1,211,178.56 - Step 6: Final answer
x = 959,158.94
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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.