Finding the Fourth Proportional to 1,259,961.36, 1,889,949.48 and 313,332.12
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Solution
The fourth proportional to 1,259,961.36, 1,889,949.48 and 313,332.12 is: 470,000.03
Step by Step Solution
- Step 1: Write the proportion equation
1,259,961.36 : 1,889,949.48 = 313,332.12 : x - Step 2: Convert to fraction form
1,259,961.36/1,889,949.48 = 313,332.12/x - Step 3: Cross multiply
1,259,961.36x = 1,889,949.48 × 313,332.12 - Step 4: Simplify right side
1,259,961.36x = 592,181,877,261.30 - Step 5: Solve for x
x = 592,181,877,261.30/1,259,961.36 - Step 6: Final answer
x = 470,000.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.